Baume Et Mercier Caliber 112824 Classima 10524 10525

Baume & Mercier Caliber BM 112824

BrandBaume & Mercier
Caliber NumberBM 112824, BM112824
In-House?
No
Base Caliber
ETA 2824-2 (see below…)
Movement TypeAutomatic, self-winding mechanical
Lignes11.5”’
Diameter
25.6mm
Height
4.6mm (unconfirmed)
Jewel Count
25
Beat Rate / Frequency
28,800 bph / 4 Hz
Lift Angle
Unconfirmed
Power Reserve
38~42 hours
Rotor Style
Ball-bearing system
Rotor Winding Direction
Bi-directional
Hand-Windable?
Yes
Anti-Shock Device
Incabloc
Regulator
ETACHRON
Hand Count3
FunctionsCentral hours; central minutes; central sweeping seconds
Hacking Seconds?
Yes
Country of ManufactureSwitzerland, Swiss made
Known Models
Baume & Mercier Classima XL Open Heart (Ref: 65558)(Add your watch to the comments below…)

The Baume & Mercier caliber BM 112824 is a 3-hander automatic movement with an open balance wheel at 12:00.

Previously, Baume & Mercier had their own caliber designation for the “BM 112824”, which used the ETA 2824-2 as the base, with 25 jewels. As of this post, it appears that the brand no longer uses their own caliber number and like many non-Swatch Group brands, they have transitioned to the Sellita SW200-1 AJ as a base calibre (see image below). The easiest way to determine which base caliber your watch has would be to find the jewel count: 25 jewels = ETA 2824-2 base / 26 jewels = Sellita SW200-1 base.

Baume Et Mercier Caliber 112824 Classima 10524 10525

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Additional Resources:

Seagull Caliber St19

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