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, indicator seconds
- Chronograph with 30 min- and 12 hours counters and central second hand
- Date display
- Day of the week display
Case
- Stainless steel, satinized
- Case surface tempered 1200 HV (Vickers)
- Sapphire crystal glass, domed, anti-reflective on the interior
- Screwed back with sapphire crystal glass
- Screwed crown with 3-way sealing system and flank protection
- Hard-coated stainless steel pilot's bezel, rotatable in minute steps in both directions
- Sealing system FKM-R for pushers, crown and case back
- Protected pushers
- Pressure resistant up to 20 bar
Dimensions and Weight
- Case diameter: 42.7 mm / 1.68 inch
- Case thickness: 15.35 mm / 0.604 Inch
- Band lug width: 22 mm / 0.866 Inch
- Lug-to-lug distance: 50.2 mm / 1.92 inch
- Distance between the spring bars: 45.7 mm / 1.8 inch
- Weight without strap: ca. 95 grams