To celebrate the 50th anniversary of the release of Seiko's historical 1968 h-beat 6159-7001 diver's watch which can reach a depth of 300 meters and Seiko's first hi-beat diver's watch, SeikoProspex presented this LIMITED EDITION SBDX021(SLA019J1)Green Dial MM300 at Baselworld 2018, this is one of the first updated models after Seiko discontinued the SBDX017 Marine Master 300M.
This beautiful diver is powered by Seiko's 8L35 calibre, with a golden accent on the second hand and the "300m" wordings, which blend in so well with the majority of green on the case. It also comes with an additional silicone strap, with a limited quantity of 1968 pieces only ever produced.
Movement Caliber: 8L35 Movement Type: Automatic with manual winding capacity Accuracy: +15 to -10 seconds per day Power Reserve: Approx. 50 hours 28,800 vibration / hour Antimagnetic
Case Material: Stainless Steel Diamond Shield Case Size: Diameter 50.5mm, Thickness 15.4mm Crystal: Sapphire Crystal Glass coating: Anti-reflective coating on inner surface Band Material: Stainless Steel Dial: Green Lumi Brite: Hands and indexes
Other Details Water Resistance 300M Date Display Second hand stop function Screw lock type crown Rotating bezel One-piece structure 26 Jewels