Rolex brand

Sunday Calendar Series

Automatic mechanical movement type

3255 movement model

40mm dial

18k gold watch case material

Basic Information Number: m228348rbr-0003 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, technical certifications: Superlative Chronometer certified. Case diameter: 40mm, case thickness: Not available. Dial color: Champagne. Dial shape: Round. Strap color: Gold. Clasp type: Folding clasp, concealed folding crown 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 gold. Dial material: Not available. Bezel material: 18k gold, diamond-set. Crystal material: Scratch-resistant sapphire crystal, anti-reflective. Cyclops lens with magnifying date window. Crown material: 18k gold, screw-down Twinlock double waterproof system. Strap material: 18k gold, President type, semi-circular three-link clasp material: 18k gold. Functions: Date display, day display.