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Moritz Grossmann Tefnut Silver-Plated by Friction Rose Gold

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SKU MG-003516
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The TEFNUT model embodies everything Moritz Grossmann stands for - highly refined technical mastery with simplistic elegance. Not a detail is overlooked from the hand-finishing to the high-quality materials. This latest edition of the TEFNUT line returns with a fresh look - a hand silver-plated by friction dial in a 39 mm rose gold case. This dial presents time with confidence in a sleek design.

Ref. MG-003516
To inquire about availability please phone 303.572.1111. Also available in Stainless Steel.

The hand silver-plating technique originated in the 19th century and was passed down through generations. Silver powder, salt, cream of tartar, and water are combined to form a special paste that is buffed into the dial until it forms a fine grain. A finishing polish results in an almost velvet-like matt surface that plays with light and shadow to create a unique display. This traditional technique requires a great deal of experience and precision to execute it correctly. 

Behind the striking dial, the slender hand-wound calibre 102.1 comprises a classic pillar movement formed of a main plate and a 3/4 plate. With proper winding, a 48 hour power reserve can be expected. The hand-stitched brown alligator leather complements the warmth of the perfectly sized 39 mm rose-gold case.

Moritz Grossmann timepieces sell very quickly. If interested in one of these watches please reach out to Jeremy: to be updated with availability.

- Manufactory calibre 102.1
- Manual winding
- Regulated in five positions
Special features
- Shock-resistant balance with inertia and poising screws
- Impulse pin integrated in rim
- Flat balance spring
- Balance staff with integrated safety roller
- Adjustment with Grossmann micrometer screw
- Plate movement with 3/5 plate
- Frame pillars and separately removable clutch winding mechanism
- Raised gold chatons with pan-head screws
- Remodified Glashütte stopwork with backlash
- Mainspring barrel with bilateral jewel bearings for optimized power management in the low-torque range
- ARCAP train wheels
- Proprietary escapement with 18-tooth escape wheel 
Hour and minute
Number of parts
22 jewels, 3 of which in screwed gold chatons
Lever escapement
- Shock-resistant Grossmann balance with 4 inertia screws and 2 poising screws
- Nivarox 1 balance spring
Diameter: 10.0 mm
21,600 semi-oscillations/hour
Power reserve
48 hours when fully wound
Operating elements
- Crown in 750/000 gold for winding the watch and setting the time
Case dimensions
- 39.0 mm diameter
- 8.5 mm height
Movement dimensions
- 26.0 mm diameter
- 3.5 mm height
Three-part, in 750/000 gold
Engraved, set in black and hand silver-plated by friction
Manually crafted, steel, annealed to a brown-violet hue
Crystal/display back
Sapphire crystal, anti-reflective coating on one side
Hand-stitched brown alligator leather with prong buckle in 750/000 gold

Oster Jewelers is an authorized Moritz Grossmann Retailer