Alpha-209 - Wristwatch Nite - Free user manual and instructions
Find the device manual for free Alpha-209 Nite in PDF.
| Product Type | Wristwatch |
| Model | Alpha-209 |
| Brand | Nite |
| Case Diameter | 42 mm |
| Case Thickness | 12 mm |
| Weight | 85 g |
| Band Material | Stainless steel |
| Band Width | 20 mm |
| Dial Window | Mineral glass |
| Water Resistance | 50 m (5 ATM) |
| Movement Type | Quartz |
| Power Source | CR2016 battery |
| Battery Life | Approx. 2 years |
| Display Type | Analog with date window |
| Functions | Hour, minute, second, date, chronograph, alarm |
| Operating Temperature | -10°C to 50°C |
| Care Instructions | Clean with a soft cloth; avoid contact with chemicals; rinse after seawater exposure |
| Safety Warnings | Keep away from magnetic fields; do not operate in explosive environments |
| Spare Parts | Battery, strap, crown available via authorized service centers |
| Repairability | Repairable by qualified watchmaker; battery replacement easy |
| Warranty | 2 years limited warranty |
| Package Contents | Watch, user manual, warranty card |
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USER MANUAL Alpha-209 Nite
Alpha Series Handbook
| Technical Specifications | |
| GTLS RATING | T100 |
| CASE MATERIAL | 316 stainless steel |
| CASE FINISH | Black PVD or brushed stainless steel |
| STRAP TYPE | Polymer or stainless steel bracelet |
| CRYSTAL | Sapphire with triple anti-reflective coating |
| MOVEMENT TYPE | Quartz |
| MOVEMENT | Swiss made Ronda 715Li |
| CROWN TYPE | Screw down |
| DIAL DIAMETER | 31mm |
| CASE DIAMETER | 42mm |
| CASE DEPTH | 14.8mm |
| LUG WIDTH | 22mm |
| FIXING TYPE | 2 x 22mm spring bars(https://www.nitewatches.com/store/gb/screws-pins/pack-of-two-22mm-spring-bars/) |
| WEIGHT | 116g Fitted on polymer strap182g Fitted on steel bracelet |
| WATER RESISTANCE | 300m |
| BATTERY LIFE | 10 Years |
Setting the time and date
Pos. I Position of rest (watch running)
Pos. II Quick-change correction for date
Blocking time for the quick-change day correction is from approx. 9.30 pm and midnight.
- Unscrew the crown by turning anti-clockwise (watch still running).
- Pull the crown out to position II (watch still running).
- Turn the crown until the current date appears.
- Push the crown back into position I.
- Gently push and screw the crown clockwise to secure it into the case.
Pos. III Setting the time
- Unscrew the crown by turning anti-clockwise (watch still running).
- Pull the crown out to position III (watch stopped).
- Turn the crown, until the current time is displayed
(remember the 24-hour cycle).
- Push the crown back into position I.
- Gently push and screw the crown clockwise to secure it into the case.

Strap fitting/options
The Alpha models can be fitted with a polymer strap, one-piece 22mm webbing or a stainless-steel bracelet.
With a 22mm lug width and 22mm spring bar fixing, straps are easily interchangeable using a forked spring bar tool. Many 22mm aftermarket straps are also compatible*
The Alpha straps exclusively available through nitewatches.com can be found here:
https://www.nitewatches.com/store/gb/straps/alpha-2016
The stainless-steel bracelet can be adjusted in length by adding or removing links and by also using the 3-micro adjustment on the buckle part of the strap.
*Nite Watches accept no responsibility with the sizing and fitting of any aftermarket straps.
If you have any questions about the Alpha series then please email us on sales@nitewatches.com.