H. Moser & Cie caliber HMC 341

Brand:H. Moser & Cie
Reference:HMC 341
Base: H. Moser & Cie HMC 343
Date:Leap Year, Month, Perpetual Calendar, Big Date
Hands:Hours, Minutes, Day / Night Indication, Small Seconds
Additionals:Power Reserve Indicator


The Perpetual Calendar Calibre HMC 341 houses the Perpetual flash date and a month indicator, contributing to the iconic design of the Perpetual Calendar. Combined with the ease of adjustment forwards or backwards at any time, this movement is exemplary of the in-house manufacture at H. Moser & Cie.

Hour and minute
Off-centre seconds hand
Perpetual Flash Calendar
Power reserve indicator
Leap year cycle indicator on movement side
Hacking seconds
Double barrel
Screwed gold mounts
Moser teeth for all wheels and pinions
Interchangeable Moser escapement
Original Straumann Hairspring® with stabilised Breguet overcoil
Pallet fork and escapement wheel made from gold
Movement and components hand-finished and decorated

Calibers based on the H. Moser & Cie HMC 341:

All watches using this caliber: