MOVEMENT: Automatic movement with GMT function | Japanese made Seiko NH34A; WR: 30 ATM (300 meters) - 990 feet; CASE: 316L stainless steel with exclusive and patented OOO® aging process; Case diameter (mm): 40 Case thickness (mm): 13.25 Lug to Lug (mm): 48 BEZEL: 60-click, bidirectional rotating bezel in stainless steel with OOO® treatment BEZEL INSERT: domed sapphire crystal with internal numbering printed in Superluminova® - Chocolate Brown and Mint Green; DIAL: double layer matte Mint Green dial, applied indexes with Superluminova® insert, double printed logo and specifications; HANDS: brushed IP Gun hands with Superluminova® C3 insert; GLASS: domed sapphire coated glass with anti-reflective treatment; Sapphire-coated plate with date display at 3 o'clock CASE BACK: 316L stainless steel screw back, with engraved specifications and bas-relief textures; CROWN: Screw-down crown in 316L stainless steel with IP GUN treatment; STRAP: Ultra-soft, vegetable-tanned cowhide triple-layer "sandwich" strap (top and bottom layers in Chocolate Brown, inner layer in Mint Green); BUCKLE: OOO® patented worn finish 316L stainless steel buckle with logo in low relief; 2-year international warranty Made in Italy Technical specifications Water resistance: 30 ATM (300 m) Movement: Seiko NH34A Case material: stainless steel Crystal: sapphire crystal