SKU: 23495
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WHAT WE LOVE:
Released in 2015 to mark the 50th anniversary of Seiko’s first dive watch, the Marinemaster 1000M SBDX016 is a special edition of the iconic “Tuna” — a watch known for its uncompromising engineering and extreme depth rating. Limited to 700 pieces worldwide, this model pays tribute to Seiko’s innovations in saturation diving, while delivering unmistakable wrist presence.
The monobloc titanium case, coated in DLC (Diamond-Like Carbon), offers the distinctive shrouded “Tuna can” design Seiko fans know and love — built to withstand the crushing pressures of professional diving. It’s visually striking, with golden accents on the bezel, crown, and hands — a nod to the celebratory nature of the edition — while the glossy black dial remains legible and purpose-driven, featuring large Lumibrite-filled indices and a date at 3 o’clock.
Despite its hefty 48.2mm diameter, the lightweight titanium construction and integrated rubber strap make this watch surprisingly wearable. This is a true saturation diver's tool — a professional instrument and collector’s piece in equal measure.
WHAT'S INSIDE:
Inside beats the Seiko Caliber 8L35, an automatic movement developed by Seiko’s elite Shizukuishi Watch Studio. It offers 50 hours of power reserve, 28,800 vph beat rate, and solid reliability under extreme conditions. Based on the Grand Seiko 9S55 architecture, the 8L35 is regulated for rugged use, not display-case beauty — perfectly suiting the watch’s utilitarian nature.
FIVEFORTYFIVE SIX MONTHS WARRANTY