Manufacturer | Moritz Grossmann |
Caliber Number | 100.2 |
Movement Type | Mechanical, manual-wind |
Diameter | 36.4mm |
Height | 5.4mm thick |
Jewels | 26 |
Components | 227 |
Beats Per Hour | 18,000 vph |
Power Reserve | 42 hours |
Lift Angle | Unknown |
Hairspring | Nivaflex |
Shock Absorber | Incabloc |
Functions | Hours, minutes, small seconds at 6:00, power reserve indicator at 12:00 |
Country of Manufacture | Germany |
Known Models | BENU Power Reserve |
The Moritz Grossmann caliber 100.2 is an in-house manual wind mechanical watch movement produced in Glashutte. This movement tells time with a classical central hours and minutes with a small seconds subdial at 6:00, but also features a power reserve indicator at 12:00. German made, 26 jewels, adjusted in 5 positions.
In Moritz Grossmann’s own words:
“Grossmann balance; lateral pusher for disabling the handsetting mode and starting the movement; bar-shaped power-reserve indicator with two-coloured display segment driven by a planetary gearing system; space saving and modified Glashütte stopwork with backlash; adjustment with Grossmann micrometer screw on a cantilevered balance cock; Pillar movement with 2/3 plate and frame pillars in untreated German silver, 2/3 plate, balance cock and escape-wheel cock hand-engraved; broad horizontal Glashütte ribbing, 3-band snailing on the ratchet wheel, raised gold chatons with pan-head screws; separately removable clutch winder; stop seconds for handsetting”
Additional Resources:
- Mortiz Grossmann brand history on Wikipedia
- Moritz Grossmann official caliber page here
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