Gruppo Gamma, the young watch brand specialised in the manufacturing of homage watches, announces its latest timepiece, the Divemaster. An ideal tool watch for divers, Gruppo Gamma's Divemaster draws inspiration from the legendary dive watches of 1950s such as Blancpain Fifty Fathoms, Zodiac Sea Wolf and Rolex Submariner.
The Divemaster is equipped with the Seiko SII NH35A (4R35), automatic movement. The surgical grade stainless steel case with double-domed sapphire crystal and screw in crown can with stand extreme pressures to 30 atm (300 m/ 1100 ft). Its unidirectional 120-click bezel marks elapsed time, with sapphire inlay for scratch resistance and luminescent markers for visibility in the dark.
Seiko SII NH35A (4R35), automatic, 21600 bph
Hours, minutes, seconds, elapsed time
Stainless steel case
Diameter: 44 mm excluding crown and lugs
Lug-to-lug Distance: 52 mm
Thickness: 14 mm excluding domed sapphire, 16 mm including
Lug Width: 24 mm
Bezel: Stainless steel, with sapphire insert and luminescent markers
Crystal: Sapphire, double domed with underside anti-reflective coating
Water Resistance: 30 ATM
Helium release valve
Crown: Stainless steel, screw-in
Caseback: Stainless steel, screw-in
Black, with luminescent markers
Hands: With luminescent markers
Leather strap, 22mm Type V buckle
Rubber strap, 24mm Pre-V buckle
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