Technical details
Movement
- Calibre GUI-1 based on 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. 40 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
- Pointer date and indicator display
Case
- Stainless steel satinized
- Sapphire crystal glass, domed, anti-reflective on the interior
- Screwed back with sapphire crystal glass
- Pressure resistant up to 10 bar
Dimensions and Weight
- Case diameter: 42 mm / 1.65 inch
- Case thickness: 11.4 mm / 0.49 inch
- Band lug width: 20 mm
- Lug-to-lug distance: 50.9 mm / 2 inch
- Distance between the spring bars: 46 mm / 1.81 inch
- Weight without strap: approx. 70 grams