Rolex Day-Date Series M228236-0012 Watch

Brand: Rolex
Series: Weekly calendar type
Movement type: automatic machine
Gender: Men

Movement
Movement model: 3255
Movement type: automatic machine
Balance wheel Extra large inertia fine-tuning balance wheel
Vibration frequency: 28800 oscillations per hour
Hairspring Paramagnetic blue Parachrom hairspring
Shock-absorbing high-performance Paraflex cushioning
Number of gems: 31
Power reserve: 70 hours
Technical Certification: Excellence Observatory Certification

Exterior
Table diameter: 40 mm
Case thickness: None
Dial color: blue
Dial shape: round
Strap color: silver
Buckle type: Concealed folding crown buckle
Case back: 950 platinum, solid, screw-locked, finely grooved
Weight: None
Waterproof depth: 100 meters
Interlug distance: None
Buckle spacing: None
Time scale type: Roman numerals

Material
Case material: 950 platinum
Dial material: sunray effect, 18K white gold hour markers and combined beveled Roman numerals, 18K white gold hands, second hand coated with blue using PVD (Physical Vapor Deposition) coating technology
Bezel material: 950 platinum, triangular pit pattern
Mirror material: anti-scratch and anti-reflective blue crystal, double anti-reflective small window convex lens to magnify calendar
Crown material: 950 platinum, screw-in, double buckle double waterproof system
Strap material: 950 platinum
Buckle material: 950 platinum

Function
date display
week display