Triton Subphotique Classic Atlantic Blue Watch TR001-0309

The Triton Subphotique Classic Atlantic Blue 40mm (Ref. TR001-0309) represents modern incarnation of the iconic 1963 Spirotechnique designed by Colonel Jean René Parmentier, tested to 500m depth well below the oceanic photic zone where light disappears at 200m. The distinctive crown at 12 o’clock position with articulated guard creates unmistakable DNA that immediately differentiates Triton from conventional diving watches through unique 60-year design heritage.

At 43mm with prominent angular construction, this provides robust presence through case designed to withstand 500m depths with rigorous air and water testing. The helium escape valve at 3 o’clock enables decompression chamber operations whilst the sapphire crystal bezel ring with Super-LumiNova graduations ensures optimal strength and legibility through 60-click unidirectional operation.

The customised Triton mechanical calibre based on Soprod M100 delivers 42-hour power reserve through 100% Swiss construction operating at 28,800 beats per hour with automatic bidirectional winding. The rotor and bridge feature Côtes de Genève engraving whilst instant date change with quick facility provides practical functionality.

The distinctive “roulette” date disc with red odd and black even numerals recreates authentic 1960s feature integral to Triton DNA whilst the hand-applied Super-LumiNova ensures optimal underwater visibility. The Atlantic Blue dial creates sophisticated maritime character.

This Subphotique Classic suits diving professionals and collectors seeking authentic 1963 heritage with proven 500m capability and distinctive crown positioning that creates unique character. The Colonel Parmentier design legacy and genuine professional diving credentials provide authentic French diving heritage rarely available in contemporary markets.