Navitimer Automatic 41 - Watch Breitling - Free user manual and instructions

Product type	Wrist watch
Brand	Breitling
Model	Navitimer Automatic 41
Case diameter	41 mm
Movement	Automatic, COSC chronometer certified
Power reserve	Approximately 70 hours
Water resistance	3 bar (30 m)
Bezel	Bidirectional rotating with slide rule
Functions	Hours, minutes, seconds, date, solar compass
Case material	Stainless steel
Bracelet	Genuine leather or metal (depending on version)
Crystal	Anti-reflective sapphire
Maintenance	Maintenance every 2 years, annual water resistance check
Cleaning	Soft damp brush, avoid wetting the leather strap
Safety	Avoid shocks, chemicals, magnetic fields, extreme temperatures (0-50°C)
Spare parts	Available from Breitling after-sales service
Warranty	2 years
Approximate weight	100 g

Frequently Asked Questions - Navitimer Automatic 41 Breitling

How to use the solar compass on my Breitling Navitimer?

In the northern hemisphere, point the hour hand towards the sun. The midpoint between the current time and 12 o'clock indicates south (north is opposite). In the southern hemisphere, point 12 o'clock towards the sun: the midpoint indicates north. In summer, subtract one hour for daylight saving time.

How to set the time and wind the watch?

Turn the crown clockwise about 40 times to wind the movement. Pull the crown to position 2 to set the hour and minute. Push back to position 1 after adjustment.

How to use the slide rule for multiplication?

Place the multiplier (moving disc) opposite the 10 (unit) mark on the fixed disc. Read the result on the moving disc opposite the multiplicand on the fixed disc. Example: for 7x12, place 12 opposite 10, read 84 opposite 7.

What is the water resistance of the Navitimer Automatic 41?

The water resistance is 3 bar (30 meters). However, the watch is not designed for water activities; avoid operating the crown, pushers or bezel when wet. An annual water resistance check is recommended.

How to maintain my Breitling watch?

Full maintenance (lubrication, seal replacement) is advised every 2 years. The case and metal bracelet can be cleaned with a soft damp brush. Avoid wetting the leather strap. Have the water resistance checked annually.

What to do in case of shock or exposure to a magnetic field?

Protect the watch from violent shocks and magnetic fields (magnets, speakers). If it has suffered a shock, have it checked by an authorized center. Avoid chemicals and extreme temperatures (0-50°C).

How to change the strap of the Navitimer?

Use a suitable tool to remove the bars. Breitling bracelets are interchangeable. For replacement, contact an authorized dealer or Breitling after-sales service.

How to convert statute miles to nautical miles or kilometers?

On the fixed scale, locate the Stat, Naut and KM marks. Place the known value on the moving disc opposite Stat, then read the conversion opposite Naut or KM. Example: 60 Stat = 52 Naut = 96.5 KM.

How to calculate hourly speed with the slide rule?

If you know the time (in minutes) and distance (in miles or km), place the distance on the moving disc opposite the time on the fixed disc. Read the hourly speed on the moving disc opposite the MPH mark (arrow at 12 o'clock). Example: 104 miles in 35 min gives 178 mph.

Is the watch a chronograph?

No, it is a chronometer (COSC certified for precision). A chronometer measures time with great accuracy, while a chronograph is a timer. The Navitimer Automatic 41 is a chronometer, not a chronograph.

USER MANUAL Navitimer Automatic 41 Breitling

Bretting 03 Breitling Breitling

BREITLING 1884

INSTRUCTIONS FOR USE NAVITIMER AUTOMATIC 41

NAVITIMER AUTOMATIC 41

BREITLING 1984 CHRONOMETER NAVITIMER x=a/b

Algaille des heures

Up-to-date user manuals are available on breitling.com under SERVICE section.

VOTRE CHRONOMÈTRE BREITLING

Two analog clocks showing time and sun icons, illustrating the difference in duration or duration between them.

MAINTENANCE

A chronometer is a high-precision instrument that has successfully passed the entire battery of tests imposed by COSC [Swiss Official Chronometer Testing Institute], a neutral and independent body which individually tests each movement according to the prescriptions in force.

The certification test for wristwatches with sprung balance oscillators, according to standard ISO 3159, consists of observing each movement for 15 days and 15 nights, in 5 positions and at 3 different temperatures [8°C, 23°C, 38°C]. In order to earn the prestigious chronometer label, a movement's performances must meet 7 very strict criteria, including a daily variation in rate ranging between only -4/+6 seconds.

The term "chronometer" should not be confused with that of "chronograph", which is a complicated watch fitted with an additional mechanism for measurement of the duration of an event. A chronograph is not necessarily chronometer-certified, but all Breitling chronographs bear the much-coveted title of "chronometer".

PREPARATION FOR USE

WINDING - TIME-SETTING

1. Wind the watch through approximately 40 clockwise turns of the crown.

1. Pull the crown out to position 2. Then adjust the hour and minute.

1. Push the crown back into position 1.

SPECIAL CHARACTERISTICS

SUN COMPASS

Your Breitling chronometer may be used as a sun compass, thus enabling you to determine North and South. For regions that have instated daylight saving time, subtract one hour when aligning the watch.

In the Northern Hemisphere

Point the hour hand precisely towards the sun. In relation to the watch dial, the point located midway between the current time and 12 o'clock indicates South, North being exactly opposite.

In the Southern Hemisphere

Point the hour-marker located at 12 o'clock on the dial precisely towards the sun. In relation to the watch dial, the point located midway between the current time and 12 o'clock indicates North, South being exactly opposite.

Diagram showing two circular clocks with directional arrows and sun icons, likely illustrating a time or weather concept.

MAINTENANCE

Your Breitling chronometer is a sophisticated instrument which is constantly subjected to a wide variety of stresses and strains. Within a very small volume, a large number of components contribute to handling all the functions. Their mechanical action inevitably leads to a certain amount of wear and tear, which may be controlled by maintenance consisting of renewing the lubrication and replacing worn components. Like any precision measurement instrument, your watch must be regularly maintained in order to function at its highest level of potential: the frequency of this operation varies according to actual use. Breitling or your authorized retailer will be happy to handle the procedure.

WATER RESISTANCE

The movement of your chronometer is protected by a sophisticated case fitted with water-resistant gaskets. Under the influence of certain external factors such as perspiration, chlorinated or salt water, cosmetics, perfumes or dust, these gaskets progressively deteriorate. That is why water resistance cannot be permanently guaranteed, and the gaskets must be periodically replaced, ideally every two years. We recommend having an annual water-resistance check conducted. This operation, which takes only a few minutes, may be conducted by a Breitling authorized maintenance centre, or by an authorized dealer [www.breitling.com].

The complex construction of the case used for Navitimer models, featuring a design faithful to the vintage 1950s model, means that they are not suited to aquatic activities. The crown, pushpieces and bezel must under no circumstances be operated when the watch is wet. The water resistance indication, expressed in bars, must primarily be considered a safety factor, protecting your chronometer from dust and splashing. Only watches that are water-resistant to 5 bars or more should be subjected to repeated immersions.

If your watch is equipped with a screw-lock crown, ensure that this is locked before any use in water. This also applies to screw-lock pushpieces.

USEFUL TIPS

Breitling genuine leather straps are crafted with the most refined materials and represent extremely high-quality products. Like all objects in natural hide (shoes, gloves, etc.), their length of life varies considerably, according to the conditions in which they are worn. In particular, water, cosmetics and perspiration accelerate the ageing process.

Breitling metal cases and bracelets are crafted from the finest alloys and ensure sturdiness and wearer comfort. Regular cleaning with a soft damp brush will keep your watch shiny. For watches fitted with a leather strap, proceed in the same manner, taking care to avoid wetting the strap.

WHAT TO AVOID

Like any valuable objects, Breitling chronometers deserve special care. It is important to protect them from jarring and knocks by hard objects, and not to expose them to chemical products, solvents, dangerous gases, or magnetic fields. Moreover, your Breitling chronometer is designed to run smoothly at temperatures ranging between 0°C and 50°C.

IHR BREITLING-CHRONOMETER

Diagram showing two circular clocks with red arrows indicating clockwise motion, surrounded by sun icons and directional arrows.

WARTUNG

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MANUTENZIONE

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MANTENIMIENTO

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MANUTENÇÃO

Two analog clocks showing time and sun icons, illustrating the difference in duration or duration between them.

Diagram showing two circular clocks with red arrows indicating clockwise motion, surrounded by sun icons and directional arrows.

メンテナンス

Two analog clocks showing sun and moon phases with directional arrows and time markings

保養須知

Two analog clocks showing time and sun icons, illustrating solar cycles.

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INSTRUCTIONS FOR USE SLIDE RULE INSTRUCTIONS

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INSTRUCTIONS FOR THE USE OF THE SLIDE RULE 10

The computer portion of the watch will require a little time and patience to master, if the pilot is unfamiliar with standard flight computers. It is actually a circular slide rule and will make accurate computations involving multiplication and division in terms of time, distance, fuel consumption and other normal flight and navigation computations dealing with speed, time and distance.

Inspection of the watch will reveal that there is an outer scale on which will be found numbers running from 10 to 10 (the figure «10» may be 1.0, 10, 100.). On the outer perimeter of the dial of the watch is a second similar scale. Note that the outer scale will always be related to miles, or miles per hour, feet, or feet per minute, gallons, or gallons per hour, or any quantity which varies with time. The inner scale deals with minutes or hours in all problems involving time. At 60 minutes on the inner scale there is an arrow which is marked «MPH». This is sometimes known as the «ground speed index» or «hour index». This index is used in problems involving any quantity per hour.

MULTIPLICATION

To multiply with the Navitimer use the unit index [number «10» in red on the inner scale]. Always set the multiplier [the number by which another is multiplied] opposite the unit index on the inner scale and read the answer on the outer scale opposite the multiplicand [number to be multiplied by another] appearing on the inner scale.

1

To multiply 7 x 12, set 12 [the multiplier] on outer scale opposite unit index («10») on the inner scale. Opposite 7 [the multiplicand] on the inner scale, read the answer 84 on the mobile dial.

DIVISION

To divide with Navitimer also use the unit index [red 10]. Place the dividend [the quantity to be divided by another number] on the outer scale opposite the divisor [quantity by which another is divided] on the inner scale. Opposite the unit index [numeral «10» on inner scale], read answer on outer scale.

2

Divide 120 by 4. Place 120 on outer scale opposite 4 on the inner scale. Read answer, 30, on outer scale opposite unit index [numeral «10» on inner scale].

CALCULATING GROUND SPEED

The mobile outer and fixed inner scales are used for determination of ground speed problems. Two of the following quantities are available for its solution: time, distance, ground speed.

3

Known: Distance and Time. Required: Ground speed.

A pilot finds by the use of check point that he has travelled 104 miles in 35 minutes. What is the ground speed?

Solution: Move the mobile scale until 104 on the mobile scale is set opposite 35 on the fixed scale. Opposite the hour index [the arrow marked «MPH» directly over the hour 12] read 178 miles per hour on the mobile scale.

4

Known: Distance and speed. Required: Time.

A pilot wants to know how long it will take to go 486 miles at a ground speed of 156 miles per hour.

Solution: On the mobile scale set 156 opposite the hour index on the fixed scale. On the inner scale opposite 486 on the mobile scale read 187 minutes (or 3 hours and 7 minutes).

CALCULATING MILES PER MINUTE

This may be read after the speed in miles per hour has been obtained. The speed given in miles per hour on the mobile scale when set opposite the hour index on the fixed scale can be readily converted into miles per minute by reading the number on the mobile scale appearing opposite the figure «10» on the fixed scale. The figure «10» is often referred to as the unit index.

5

In Example 4, the ground speed was 156 miles per hour. With the 156 on the mobile scale set opposite the hour index, what is the speed in miles per minute?

Solution: With 156 miles on the mobile scale set opposite the hour index read the speed in miles per minute, or the figure on the mobile scale which appears above the figure «10» on the fixed scale which is 2.6 miles per minute. There are times when a pilot may want to know the time required to travel a short distance, such as the distance from the cone of silence to the edge of an airport, or between the inner marker and range station. Since the distance is short, the time required may be less than a minute, in which case the time has more significance when expressed in seconds. In such cases the «second» index is used. This is the figure «36» on the inner scale [there are 3600 seconds in an hour].

CALCULATING GASOLINE CONSUMPTION

Two of the following quantities are available for gasoline consumption problems: Total gallons used, time, rate of consumption.

6

Known: Time and rate of consumption. Required: Total gallons used.

A pilot wishes to know how many gallons are necessary to fly 31/2 hours at an average rate of consumption of 111/2 gallons per hour.

Solution: Opposite the «hour index» set 11.5 on the mobile scale. Then, opposite of 31/2 hours [210 minutes on inner scale on the mobile scale] read 41 gallons.

CALCULATING THE RATE OF CLIMB OR DESCENT

Two of the following quantities are available for solution: total altitude of descent, time and rate of descent [or climb].

7

Known: Rate of ascent and total elevation in ascent. Required: Time.

A pilot climbs to 7400 feet above his starting point at the average rate of 500 feet per minute. How long will this require?

Solution: Set 500 on the mobile scale opposite the «unit index» [«10» on the fixed scale]. Opposite 7400 on the mobile scale, read answer, 14,8 minutes on the fixed scale.

CALCULATING THE DISTANCE OF CLIMB OR DESCENT

Two of the following quantities are available: Distance, time, speed. The method used in examples 4 and 5 should be used.

8

The pilot in example 7 wishes to know how far he will have travelled when his climb is finished. His average true air speed is 120 miles per hour and he is aided by a tail wind of 20 miles per hour.

Solution: Set 140 miles per hour [120 + 20] on mobile scale opposite «hour index» on fixed scale. Opposite 14.8 minutes [computed from example 7] on fixed scale read 34.5 miles on mobile scale.

NAUTICAL AND STATUE MILE CONVERSION

On the fixed scale both nautical [Naut] and statute [Stat] miles are shown, also kilometers [KM] (red mark just to the right of MPH).

The conversion from statute to nautical or nautical to statute miles is read directly on the mobile scale.

9

Known: 60 statute miles. Required: Nautical miles.

Solution: Set 60 on mobile scale opposite «Stat» on fixed scale. Opposite «Naut» on fixed scale, read 52 nautical miles on mobile scale.

10

Known: 60 statute miles. Required: Kilometers.

Solution: Set 60 on mobile scale opposite «Stat». Opposite the «KM» mark [= the red mark, just to the right of «MPH» on the fixed scale], read 96.5 kilometers on mobile scale.

EXCHANGE RATES

11

To convert amounts expressed in Euros into U.S. Dollars at the rate of 1e = US\$ 1.20, simply place the figure 12 [= 1.20] on the outside mobile scale opposite the "10" marking on the inside scale.

Amounts express in Euros can now be read on the inside scale and their equivalents in U.S. Dollars on the outside scale: 40e = US\$ 48.

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