44mm Men's Watch Seagull ST2555 Movement Stainless Steel Case Automatic Mechanical Watch Strength Mineral Glass Leather Bracelet

Watch brand: OUMASHI (Watch crown with crown protector)

Movement type: semi-automatic movement

Movement model: ST2555 movement

Case material: 316L stainless steel

Back cover material: 316L stainless steel

Back cover type: screw-in solid back cover

Case diameter: 45mm (excluding crown)

Case thickness: 17.4mm (including lens and caseback)

Case ear position: 24mm (where the case and strap are attached)

Watch length: 220mm (total watch length / circumference)

Strap material: Brown strap, blue strap, black strap

Glass material: mineral glass

Glass type: convex crystal mineral glass

Crown type: Protected crown device (The crown comes with a protective device)

Surface color: Black retro yellow

Surface luminescence: C3 green light

Needle technology: With green luminous

Water resistance level: 10ATM meters waterproof / diving [can wash hands, swimming, diving, to meet all daily waterproof requirements]

Exhaust valve: no

Packaging standards: professional waterproof plastic box packaging