Gran Seiko Men's SBGW293G Heritage Mechanical LINE Full Luminous Militaire and the case back is

and the case back is solid polished steel

It is water-resistant up to 300 meters (30 bar)

a cambered sapphire crystal glareproofed on both sides

and a black silicone strap

Gran Seiko Men's SBGW293G Heritage Mechanical LINE Full Luminous Militaire and the case back isThe Grand Seiko SBGW293G from the Heritage collection is a timeless timepiece for both men and women. With a classic brown dial and luminous indices, this watch exudes sophistication. The stainless steel case and bezel are complemented by a brown leather bracelet with a double folding clasp for added security. Powered by a manual movement with a 72 hour power reserve, this watch boasts 24 jewels and a sapphire glass for durability. Water resistant up