Big Date Small Seconds

Out of stock
Product Details
Functionality combined with beautiful aesthetics! The Sirius Big Date Small Seconds impresses not only by a timeless design, but also by an extremely useful complication. Thanks to its clear design and big date display, the timepiece guarantees excellent legibility.


Reference CH-8421R
Case material 18-karat red gold
Case back Screw-down case back with satin finish and sapphire crystal
Diameter in mm 40mm
Height in mm 10,35
Finish Partly polished, partly with satin finish
Bezel Polished screw-down bezel with side knurling and full thread


Caliber Caliber C. 284, automatic
Frequency 4 Hz (28.800 A/h)
Power reserve in hours Approx. 42h
Number of jewels 26


Dial material Solid sterling silver (925), guilloche
Display/s Central hours and minutes, small seconds at 6:00, big date window at 12:00
Design of hands Thermally blued, hand-finished steel hands
Shape of hands Breguet Losange

Strap & buckle

Strap material Louisiana-alligator leather
Type of buckle Pin buckle or folding clasp


Water resistance in atm 3 atm (30m)
Special Guilloche dial
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