U-Boat Darkmoon Kama SS Grey 3388

Attribute Specification Movement Swiss Quartz (Ronda 762), lubricated in an oil bath Case Dimensions $46.50\text{ mm}$ diameter, 316L Stainless Steel Crystal Heavy-domed sapphire crystal Lume Black Super-LumiNova on hands and indices Water Resistance $50\text{ m}$ ($5\text{ ATM}$) Strap Black handcrafted calfskin leather with a steel buckle Case Back Innovative Locking Ring System (simplifies battery swaps without losing oil)