Technical details
Movement
- Calibre SW500
- Self-winding mechanical movement
- Chronograph function integrated into the movement
- 25 jewels
- 28.800 vibrations per hour; 4 Hz.
- Stone lever escapement
- Stop-second
- Glucydur Balance Wheel
- Shock resistant as per DIN 8308
- Anti-magnetic as per DIN 8309/ISO 764
- Movement diameter 13 1/4"" (30,4 mm)
- Incabloc shock protection
- Unidirectional self-winding mechanism with ball bearing, weight segment made of heavy metal
- Power reserve approx. 60 hours
- Movement decorated, blued screws, weight segment with engraved Guinand logo
Functions
- Hours, minutes, subsidiary seconds
- Chronograph with 30 min- and 12 hours counters and central second hand
- Date display
- Day of the week display
Case
- Stainless steel, satinized
- Sapphire crystal glass, anti-reflective on the interior
- Screwed back with sapphire crystal glass
- Screwed crown, tripple O-ring sealed
- Sealing system FKM-R for pushers and crown
- Protected pushers
- Pressure resistant up to 20 bar
Dimensions and Weight
- Case diameter: 40.5 mm / 1.59 inch
- Case thickness: 14.9 mm / 0.59 inch
- Band lug width: 20 mm / 0.79 inch
- Lug-to-lug distance: 44.3 mm / 1.74 inch
- Distance between the spring bars: 40 mm / 1.57 inch
- Weight without strap: 86 grams