Seiko Prospex SNR027 LX Spring Drive GMT Black Leather Luminox Navy Seal Trident-3501.BO this superbly functional timepiece features

this superbly functional timepiece features a dual-curved anti-reflective sapphire crystal

There’s also a dedicated Nearest button on the watch that will locate the closest airport if you need to land quickly for a mechanical issue

Battery: CR1616

Like the curved face and glass case back made of anti-reflective sapphire crystal

Caliber B642

Seiko Prospex SNR027 LX Spring Drive GMT Black Leather Luminox Navy Seal Trident-3501.BO this superbly functional timepiece featuresCaliber Number: 5R66 Movement Type: Spring Drive Precision: 15 seconds per month (1 second per day) Power Reserve: Approx. 72 hours(3 days) Jewels: 30 Case Material: Titanium (super hard coating) Thickness: 14. 7mm Diameter: 44. 8mm Lug to Lug: 50. 9mm Crystal: Sapphire crystal Crystal Coating: Super clear coating LumiBrite: LumiBrite on hands and index(es) Band Material: Calfskin Clasp: Three fold clasp with push button release Distance Between Lugs: