GX-Diver's 41 mm Kratergrau

This watch runs on the Swiss Sellita SW200-1 in Elaboré grade, a step above the standard version. It's regulated in three positions with tighter tolerances. Its 26 jewels and 28,800 vph beat give you a smooth, sweeping seconds hand and stable timekeeping, along with hacking seconds, a quickset date, and a minimum 41-hour power reserve when fully wound.

Behind the exhibition caseback, the custom LIV rotor winds the movement with every move of your wrist.

Every movement is individually tested before casing and ships with its own accuracy certificate. This one recorded -5 seconds per day, well within the Elaboré standard of ±7.

• Caliber: Sellita SW200-1 Elaboré
• Jewels: 26
• Frequency: 28,800 vph (4 Hz)
• Power reserve: 41 hours minimum
• Rotor: custom LIV design
• Accuracy certificate: -5 sec/day

Case Dimensions

• Case Diameter: 41.0 mm
• Case Thickness: 12.9 mm
• Lug-to-Lug: 48.0 mm
• Lug Width: 22.0 mm
• Weight: 90.7 g

Wrist Fit

• Leather strap: 6.25 to 8.5 in (15.9 to 21.6 cm)
• Rubber strap: 6.25 to 9.25 in (15.9 to 23.5 cm)
• Bracelet: 6.2 to 10.5 in (15.7 to 26.7 cm)

Not sure of your wrist size? Check out our Know Your Wrist Size Guide.

The 41mm Crater Gray starts with a solid, rugged case of surgical-grade 316L stainless steel, then takes on its dark gray tone through our Gray Color Fusion process, with the color fused into the steel so it will never come off under normal wear and tear. The 120-click unidirectional bezel is finished in matte dark gray, a detail carried over from the original GX-Diver's lineup. An anti-reflective sapphire crystal sits on top, the skeleton case back is fastened with actual screws for a secure seal, and the case is water-resistant to 300 meters.

• Gray Color Fusion over 316L steel
• Matte gray 120-click bezel
• Screwed skeleton case back

The 41mm Crater Gray wears a charcoal gray multi-layer wave sandwich dial, textured like the surface it is named for. Each hand-applied index is filled with BGW9 Swiss Super-LumiNova. The sword-shaped hour and minute hands are anthracite with lumed centers, and the orange second hand is the only warm note on an all-gray watch.

• Charcoal gray wave dial
• Anthracite lumed hands
• Orange second hand

300m Water Resistance, Screw-Down Crown

This watch is water-resistant to 300 meters (30 bar), so it's built for swimming, snorkeling, and recreational scuba diving, as well as everything on land.

The screw-down crown threads tightly into the case and presses against a gasket to seal out water, dust, and pressure. Screw it in snugly after setting the time, and the case stays sealed.

• Water resistance: 300m / 30 bar / 1,000 ft
• Suitable for: swimming, snorkeling, recreational diving
• Crown: screw-down, with gasket seal

Sapphire Crystal, Front and Back

Both crystals are synthetic sapphire, rated 9 out of 10 on the Mohs scale, second only to diamond. Keys, zippers, and desk edges won't scratch either side.

The anti-reflective coating goes on the inside only, front and back. Outer coatings smudge and wear, so the surfaces you touch stay pure sapphire. You get a glare-free view of the dial and the movement.

• Material: synthetic sapphire, front and back
• Hardness: 9 out of 10 on the Mohs scale
• Coating: anti-reflective, inside only
• Outer surfaces: uncoated, for full scratch resistance