| Manufacturer | Moritz Grossmann |
| Caliber Number | 102.0 |
| Movement Type | Mechanical, manual-wind |
| Diameter |
26.00mm |
| Height |
3.45mm thick |
| Jewels | 26 |
| Components |
196 |
| Beats Per Hour |
21,600 vph |
| Power Reserve | 48 hours |
| Lift Angle |
Unknown |
| Hairspring | Nivaflex |
| Shock Absorber | Incabloc |
| Functions | Hours, minutes, small seconds |
| Country of Manufacture | Germany |
| Known Models |
Tefnut, Tefnut 36, Tefnut Email, Tefnut Sleeping Beauty, Tefnut Arabian Nights, Benu Anniversary Lost in Space, Moon in Space |
The Moritz Grossmann caliber 102.0 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 in various positions. German made, 26 jewels, adjusted in 5 positions.
In Moritz Grossmann’s own words:
“Shock-resistant balance with inertia and poising screws, impulse pin integrated in rim; flat balance spring; balance staff with integrated safety roller /index adjuster with Grossmann micrometer screw; plate movement with 3/5 plate, frame pillars, and separately removable clutch winding mechanism; frame parts in untreated German silver; raised gold chatons with pan-head screws; remodified Glashütte stopwork with backlash; mainspring barrel with bilateral jewel bearings for optimised power management; ARCAP train wheels; proprietary escapement with 18-tooth escape wheel”
Additional Resources:
- Mortiz Grossmann brand history on Wikipedia
- Moritz Grossmann official caliber page here
network of watch sites
