Technical details
Movement
- Calibre Sellita SW220-1
- Self-winding mechanical movement
- 26 jewels
- 28.800 vibrations per hour; 4 Hz.
- Movement diameter 11½ ‘‘‘ (25,60 mm)
- Incabloc shock protection
- Glucydur balance wheel
- Bidirectional self winding, rotor with ball-bearing
- Power reserve approx. 38 hours
- Movement decorated with Perlage and Diamond snail
- Rotor decorated with Côtes de Genève with engraved Guinand logo
- Blued screws
Functions
- Hours, minutes, center second
- Date display
Case
- Stainless steel hand satinized
- Magnetic field protection inner housing made of RFe 60 / 1.1015 according to DIN 17405
- Sapphire crystal glass, domed, anti-reflective on the interior
- Screwed back
- Screwed crown, double O-ring sealed
- Protected chrono pushers
- Pressure resistant up to 20 bar
Dimensions and Weight
- Case diameter: 40.6 mm / 1.6 inch
- Case thickness: 14.8 mm / 0.58 inch
- Band lug width: 20 mm
- Lug-to-lug distance: 48.5 mm / 1.91 inch
- Distance between the spring bars: 46.3 mm / 1.82 inch
- Weight without strap: approx. 85 grams