Rolex brand

Hengdong 1908 series

Automatic mechanical movement type

7140 movement model

39 mm diameter

18k gold watch case material

Basic Information Number M52508-0008 Brand Rolex Series Perpetual 1908 Movement Type Automatic Mechanical Gender Men’s Movement Movement Model 7140 Movement Type Automatic Mechanical Manufacturer Rolex Balance Wheel Inertia Fine Adjustment Balance Wheel Frequency 28,800 rpm Hairspring Patented Geometry Syloxi Silicon Hairspring Shock Absorption High-Performance Paraflex Shock Absorption Jewels 38 Power Reserve 66 Hours Technical Certification Superlative Chronometer Appearance Case Diameter: 39 mm Case Thickness: 9.5 mm Dial Color: White Dial Shape: Round Strap Color: Gold Clasp Type: Concealed Folding Crown Buckle Case Back: Transparent Weight: Not Available Water Resistance: 50 meters Hour Marker Type: Bat Hour Markers Clasp Spacing: Not Available Lug Spacing: 20 mm Materials: Case material: 18k gold; Dial material: Not specified; Bezel material: 18k gold; Crystal material: Sapphire crystal glass; Crown material: 18k gold; Strap material: 18k gold; Buckle material: 18k gold; Functions: This watch has no other special functions.