Seiko Prospex SPB503 Alpinist Mechanical Land Automatic 3 Days Ice Blue Dial Casio G-Shock Ana-Digital AW591BB-1ACR Sapphire Crystal

Sapphire Crystal

The screw-lock case back is fit with sapphire crystal finished in green vapor deposition and engraved with the iconic FROGMAN diving frog character

Warranty Full Factory Warranty

features a textured light blue-gray dial evoking the changing tones of mineral and stone deposits on cave walls

Dial: Blue dial with decompression table

Seiko Prospex SPB503 Alpinist Mechanical Land Automatic 3 Days Ice Blue Dial Casio G-Shock Ana-Digital AW591BB-1ACR Sapphire CrystalMovement: Automatic Calibre: 6R55 Precision: +25 to 15 seconds per day Power Reserve: Approx. 72 hours (3 days) Jewels: 24 Case Material: Stainless steel (super hard coating) Case Thickness: 12. 7mm Case Diameter: 39. 5mm Lug to Lug: 46. 4mm Distance Between Lugs: 20mm Water Resistance: 20 bar Magnetic Resistance: 4,800 A m Weight: 147g Crystal: Sapphire crystal with magnifier Crystal Coating: Anti reflective coating on inner surface LumiBrite: Hands