Delma Oceanmaster Antarctica. Automatic nautical watch with helium valve, mechanical movement with date. Stainless steel case and bracelet. Unidirectional stainless steel nautical bezel. Ice blue dial, applied indexes with luminous markers. White hour, minute and red seconds hand with luminous markers. Water-resistant to 50 ATM / 500 m / 1650 ft. Technical Specifications Mechanism: Automatic Caliber: ETA 2824 / SW200, Delma custom rotor Power reserve (h): 38h Number of jewels: 25/26 Frequency: 28'800 A/h Case material: Stainless steel Case back: Stainless steel with Antarctica engraving Size in mm: 44 Height in mm: 13.8 Weight in grams: 130 Water resistance: 50 ATM / 500 m / 1650 ft Crystal: Sapphire crystal with AR coating Bezel: Stainless steel, unidirectional nautical bezel Lug size in mm: 24 Bracelet material: Stainless steel Bracelet color: Silver Clasp: Safety clasp with pushers Clasp material: Stainless steel Model: Oceanmaster Antarctica Collection category: Racing Functions