F1

Specifications:
Movement: VH31 Sweeping Quartz
Case material : 316L sandblasted coating 
Glass: Sapphire Crystal High Clear AR Coating
Luminous: BGW9
Crown: Screw Down Crown
Case Back: Screw-down Case Back, Sandblasted
Strap/Band:18mm 
Water Resistant: 10Bar=100 meters
Watch Dimensions:
Case： 36.9mm in diameter
Lug to Lug : 43.9mm (Drilled Lugs)
Thickness 10  mm (including glass)