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Day-Date 40 – M228238-0006
Day-Date 40 – M228238-0006
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Basic information
- No.: m228238-0006
- Brand: Rolex
- Series: Day-Date
- Movement type: Automatic
- Gender: Men
Movement
- Movement model: 3255
- Movement type: Automatic
- Manufacturer: Rolex
- Balance: Extra-large inertia fine-tuning balance
- Frequency: 28,800 oscillations per hour
- Grossspring: Paramagnetic blue Parachrom hairspring
- Shock absorber: High-performance Paraflex Shock absorber
- Number of jewels: 31
- Power reserve: 70 hours
- Technical certification: Swiss Observatory certification
Appearance
- Watch diameter: 40 mm
- Dial color: gold
- Dial shape: round
- Strap color: gold
- Class clasp type: folding clasp
- Case: transparent, Rolex triangular groove screw-in caseback
- Waterproof performance: 100 meters
- Time scale type: Roman numerals
Material
- Case material: 18k gold
- Bezel material: 18k gold, triangular groove outer ring
- Mirror material: scratch-resistant blue crystal, double anti-reflective small window convex lens magnified calendar
- Crown material: 18k gold
- Strap material: 18k gold, President type, three-grid solid link
- Class material: 18k gold
Function
- Date display
- Week display