Lange 1 Perpetual Calendar
3 references catalogued.
References
Browse the Lange 1 Perpetual Calendar collection.
Oldest to newest
01345.03318-carat pink goldRecord pending02345.036950 platinumRecord pending03345.05618-carat white goldRecord pending
References without production years are catalogued but do not yet carry a verified production record. Those fields are added as they are confirmed rather than estimated.