Chronoswiss
Sirius Big Date
Reference: CH-3521.1 R
The Chronoswiss Sirius Big Date, reference CH-3521.1 R, is a 40 mm watch in gold with a black dial. Inside is the calibre C.351, an automatic movement with a 40-hour power reserve, visible through an exhibition case back. It lists big date window at 12:00 and power reserve at 6:00 among its complications and comes on a grey alligator leather strap.
Case Information+
Case Size: 40 mm
Case Material: Gold
Case Back: Exhibition
Crystal: Sapphire
Movement+
Type: Mechanical Automatic
Calibre: C.351
Power Reserve: 40 hours
Jewels: 21
Frequency: 4 Hz
VPH: 28,800
Complications: Central hours, Minutes and Seconds, big date window at 12:00, power reserve at 6:00
Other+
Bracelet Material: Alligator Leather
Bracelet Colour: Grey
Dial Colour: Black
Water Resistance: 30 meters
Limited Edition: No
Questions about this watch+
- What movement is in the Chronoswiss Sirius Big Date?
- The Chronoswiss Sirius Big Date uses the calibre C.351, an automatic movement with a 40-hour power reserve and 21 jewels.
- How big is the Chronoswiss Sirius Big Date?
- The case measures 40 mm across and is made of gold.
- What complications does the Chronoswiss Sirius Big Date have?
- Its complications are listed as big date window at 12:00 and power reserve at 6:00.
- How water resistant is the Chronoswiss Sirius Big Date?
- It is rated to 30 m.