Merkur 1000m Tuna:
- Case material : 316L Stainless steel
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Case back : 316L Stainless steel
- Case diameter : 47mm
- Case thickness : 16mm
- Lug width : 22mm
- Strap : High quality water repellent leather strap
- Bezel : Full lume ceramic bezel insert
- Bezel lume : Swiss C3 SuperLuminova
- Glass : Sapphire glass with AR coating
- Dial color : Black / Blue
- Dial luminous : Swiss C3 SuperLuminova
- Movement : NH35
- Crown : Screw down crown
- Water resistance : 1000m
NH35 Movement:
The accuracy of caliber NH35/4R35 is between +45 / -35 seconds per day. This rating is based on normal daily wear on the wrist in temperatures between 5 ºC and 35 ºC. When testing your watch for timekeeping, make sure it is fully wound.