Rolex brand

Sunday Calendar Series

Automatic mechanical movement type

3255 movement model

40mm dial

18k white gold case material

Basic Information Number: m228349rbr-0030 Brand: Rolex Series: Day-Date Movement Type: Automatic Gender: Men’s Movement Model: 3255 Movement Type: Automatic Manufacturer: Rolex Balance Wheel: Extra Large Inertia, Fine Adjustment, Balance Wheel Frequency: 28,800 rpm Oscillations per Hour: Hairspring: Paramagnetic Blue: Parachrom Hairspring: Shock-resistant High-performance Paraflex Shock-absorbing device, 31 jewels, 70-hour power reserve, Swiss Official Chronometer Testing Institute (COSC) certification. Case diameter: 40mm, Case thickness: Not available, Dial color: Olive green, Dial shape: Round, Strap color: Silver, Clasp type: Folding clasp, Case back: Solid, Weight: Not available, Water resistance: 100 meters, Hour markers: Bat markers, Roman numerals, Clasp spacing: Not available, Lug spacing: Not available. Materials: Case material: 18k white gold, Dial material: Not available, Bezel material: Diamond-set, Crystal material: Scratch-resistant sapphire crystal, anti-reflective, Cyclops lens with magnifying date window, Crown material: 18k white gold, screw-down Twinlock double waterproof system, Strap material: 18k white gold, President type, semi-circular three-link clasp material: 18k white gold. Functions: Date display, Day display.