MS644 - Watch Accurist - Free user manual and instructions
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| Product Type | Analog Quartz Watch |
| Brand | Accurist |
| Model | MS644 |
| Case Material | Stainless Steel |
| Case Diameter | 40 mm |
| Case Thickness | 10 mm |
| Weight | 120 g |
| Band Material | Leather |
| Band Width | 20 mm |
| Movement | Quartz (Battery Powered) |
| Battery Type | SR626SW |
| Water Resistance | 50 meters (5 ATM) |
| Crystal | Mineral Glass |
| Functions | Time, Date, Chronograph |
| Dial Color | White |
| Hands | Hour, Minute, Second, Chronograph Subdials |
| Clasp Type | Buckle |
| Care Instructions | Wipe with soft cloth; avoid contact with chemicals |
| Country of Origin | China |
| Warranty | 2 years |
Frequently Asked Questions - MS644 Accurist
How do I set the time and date on my Accurist MS644?
Pull the crown out to position 2 (first click) to set the date, and to position 3 (second click) to set the time. Turn the crown clockwise to advance the date, and to set the time turn it in either direction. Push the crown back in after setting.
What is the battery life of the Accurist MS644?
The SR626SW battery typically lasts 2-3 years depending on usage. Replace when the watch stops or runs slow.
Is the Accurist MS644 suitable for swimming?
It has a water resistance of 50 meters (5 ATM), which means it is splash resistant and suitable for shallow swimming, but not for diving or snorkeling.
How do I replace the battery on my Accurist MS644?
Open the case back using a suitable tool (e.g., case knife or wrench). Remove the old battery and insert a new SR626SW with the positive side up. Ensure the gasket is properly seated before closing the case back firmly.
What strap size does the Accurist MS644 use?
The strap width is 20 mm. You can replace it with any standard 20mm strap.
How do I use the chronograph function?
Press the top pusher (start/stop) to begin timing, press again to stop. Press the bottom pusher (reset) to return the chronograph hand to zero.
Is the crystal scratch-resistant?
The watch features mineral glass, which is scratch-resistant but not shatterproof. Avoid contact with hard objects.
What should I do if the watch gets wet?
If the watch is exposed to moisture, dry it immediately with a soft cloth. Do not operate pushers or crown while underwater.
How do I clean and maintain my Accurist MS644?
Wipe the case and strap with a damp cloth and dry thoroughly. Avoid using chemicals. For leather straps, keep away from water and apply leather conditioner occasionally.
Is the Accurist MS644 suitable for daily wear?
Yes, the stainless steel case and leather strap are comfortable for everyday use. The 50m water resistance protects against splashes and rain.
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