Specifications Movement: Genuine Seiko NH34 Automatic GMT, 24 jewels, 41-hour power reserve True dual-timezone GMT function — fourth hand independently adjustable Hacking seconds & hand-winding capable Case: 316L stainless steel, 40mm diameter, ~13mm thickness Screw-down crown for added water resistance Bezel: 120-click unidirectional ceramic bezel insert Crystal: Scratch-resistant sapphire crystal Bracelet: 316 stainless steel oyster-style with double-locking clasp Water Resistance: 100m / 330ft (pressure tested) Date window at 3 o'clock with cyclops magnifier Super-LumiNova lume on hands and indices Includes: Watch box, link removal tool, and spring bar tool Additional Features: On the go adjustments with the glide-lock clasp