Tonda Centum
A perpetual calendar and a precision moon phase
Technically prestigious, the Tonda Centum has a perpetual calendar and a precision moon phase, two Haute Horlogerie complications which are only very rarely associated due to their respective complexity.


Perpetual calendar
Retrograde Date
Precision Moon phase (122 years)
Power reserve 50 hours
Luminescent coating
18k Rose Gold
Anti-reflective sapphire crystal
Water-resistant to 30 m (3 atm)
Diameter 42 mm
Thickness 11.4 mm
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Exchange Policy

We want our clients to enjoy their hand crafted jewellery piece for years. To ensure your satisfaction, Kaufmann de Suisse offers a 10 day exchange policy for all purchases made online. Simply return the jewellery creation by registered courier or in-store and our sales representatives will complete the exchange or store credit once the item is recieved in its original condition.

Payment Methods

We accept all major credit cards (Amex, Mastercard, Visa) on our online store.

If you would prefer to pay by Paypal, please contact us by phone or online request and we will send you an electronic invoice.

For our clients with Chinese accounts, we accept WeChat Pay, AliPay and UnionPay by request.

Alternatively, we can also accept carat gold in-store only. Please contact us for an appointment.