YK31 - Watch Lorus - Free user manual and instructions
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| Product Type | Quartz analog wristwatch |
| Model | YK31 |
| Brand | Lorus |
| Case Diameter | Approx. 40 mm |
| Case Thickness | Approx. 10 mm |
| Weight | Approx. 50 g |
| Movement | Japanese quartz (battery-powered) |
| Battery Type | SR626SW or equivalent |
| Water Resistance | 5 ATM (50 meters) |
| Case Material | Stainless steel |
| Crystal | Mineral glass |
| Band Material | Stainless steel (bracelet) or leather (strap) |
| Dial Display | Analog with hour, minute, second hands |
| Date Function | Date window at 3 o'clock |
| Power Source | 1 battery, lifespan approx. 2 years |
| Crown Function | Time setting and date adjustment |
| Cleaning | Wipe with soft dry cloth; avoid chemicals |
| Battery Replacement | Recommended by professional watchmaker |
| Service Interval | Every 3-5 years for cleaning and oiling |
| Warranty | 2 years (depending on region) |
Frequently Asked Questions - YK31 Lorus
How do I set the time on my Lorus YK31 watch?
Pull the crown to position 2 (second click). Rotate the crown to set the correct time. Push the crown back to position 0 (flush against case) to resume normal operation.
How do I change the date on my Lorus YK31?
Pull the crown to position 1 (first click). Rotate the crown clockwise until the correct date is displayed. Push the crown back to position 0.
Is my Lorus YK31 water resistant?
Yes, it is water resistant up to 5 ATM (50 meters). It can withstand splashes and brief immersion, but not swimming or diving.
How often should I replace the battery in my Lorus YK31?
Typically every 2 years, depending on usage. A low battery indicator is not provided; if the watch stops or runs slow, replace the battery promptly.
What type of battery does the Lorus YK31 use?
It uses a SR626SW silver oxide battery (or equivalent). Always use the same type for replacement.
Can I replace the battery myself?
It is possible but not recommended unless you have proper tools and experience, as the case back requires careful removal and sealing. Professional replacement is advised.
How do I clean my Lorus YK31 watch?
Wipe the case and band with a soft, lint-free cloth. For metal bands, use a damp cloth and dry thoroughly. Avoid soap, chemicals, and abrasives.
What should I do if my Lorus YK31 gets wet?
If exposed to moisture, dry it immediately with a soft cloth. If the watch has been submerged beyond its water resistance, take it to a professional for inspection.
The glass on my Lorus YK31 is scratched. Can it be replaced?
Yes, the mineral crystal can be replaced by a watchmaker. It is not user-serviceable.
Where can I find a replacement band for my Lorus YK31?
Replacement bands are available from Lorus authorized dealers or online. The lug width is standard 20 mm; check the exact width before purchasing.
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