Geckota K-03 Diver

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Take inspiration from classic 1950s dive watches such as the Rolex Submariner and Blancpain Fifty Fathoms. Next, add a proven Seiko NH35 automatic movement and a few contemporary twists. The result? A functional, affordable 500 m diver’s watch. Order your K-03 watch today…

As more than just a competent divers’ watch, your K-03 links you to the fascinating history of military and sporting dive watches going back to the 1930s Panerai-Rolex collaboration and the Allied forces’ counterparts.

Choose your new K-03 and look forward to quality and performance that would have impressed those military divers and human-torpedo navigators – all for a modest twenty-first century investment.

Download the SII NH35 Movement Handbook

Included with the Geckota K-03-Diver

1 x Black bezel (fitted)
1 x Red bezel
1 x Blue bezel
1 x 1.2mm Precision screwdriver
1 x Luxury watch box


Water resistant to 500 m / 50 atm. Individually numbered, solid 316L stainless steel case with brushed finish. Screw-down signed 'G' crown with double O-ring seal.

Matt dial and raised baton indices. Removable unidirectional 120-click 316L stainless bezel, with aluminium top ring insert. Dial markers and hands feature Swiss Super-LumiNova BGW9 luminescent paint.

Scratch resistant sapphire crystal glass with anti-reflective coating. Seiko NH35 automatic movement. 16 mm case thickness. 22 mm lug width Weight 250 grams

The bezel top-ring insert is made from aluminium, fitted at 12 o'clock position is a Super-LumiNova sunken pip marker. A great feature of the K-03-L range is the bezel uses four neatly hidden machined grub screws to hold it in place, which makes it easy to remove and swap for another version.


The K-03 has fitted a solid stainless steel metal bracelet, with a hidden butterfly clasp. Maximum wrist size of 205mm (8 inches) the strap has six removable links for resizing to a smaller size (each link measure 10mm).

Choose your high-quality Geckota watch with confidence – it comes with our reassuring 24-month guarantee.

For more information please see our downloadable instruction booklet.

More Information
Watch Movement Seiko NH35 (auto)
Watch Lug Width 22mm
Watch Case Colour Silver
Case Diameter (excluding crown) 45mm
Case Thickness 16mm
Case Back Embossed diver logo, Stainless Steel, Screw-in
Lug to Lug Length 46mm (spring bar to spring bar)
Case Material Stainless Steel
Case Finish Polished and Brushed
Water Resistant 500 Mtrs (50ATM)
Bezel Rotating, 120 clicks, Uni-Directional with Aluminium top ring insert and lume pip at 12 o'clock
Watch Strap Solid Stainless Steel Link with Butterfly clasp
Dial Matt Black Dial, applied index 1 to 12 with BGW9 Swiss SuperLuminova
Glass Flat Sapphire Crystal with Anti Reflective (AR) coating
Luminescence SuperLuminova BGW9 hands and hour markers
Accuracy -20 / +40 seconds per day
Battery None (Mechanical Movement)
Crown Screw-in, double O ring 8.8 mm signed crown
Power Reserve 41 Hours (after fully wound)
Special Features Hacking movement, hand winding, sapphire crystal, screw-in crown, 21,600 vph
Warranty 24 months
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