Description
Moritz Grossmann BENU Power Reserve Matt Steel
Marking the 200th anniversary of the birth of renowned German watchmaker Carl Moritz Grossmann, the BENU Power Reserve Matt Steel brings a contemporary perspective to traditional Glashütte watchmaking. Released in 2026 and limited to just 18 pieces worldwide, this exceptional timepiece combines the meticulous craftsmanship of the Moritz Grossmann manufactory with an understated, modern aesthetic. Its anthracite dial and matt stainless steel case offer a distinctive interpretation of the celebrated BENU collection, demonstrating how traditional mechanical watchmaking can remain relevant without compromising its heritage.
The beautifully detailed anthracite dial is central to the watch’s character. Its rhodium-plated surface features an intricately decorated outer ring with a fine azurage pattern, creating subtle variations in texture and light. Applied numerals and hour markers introduce a sense of depth, while the manually crafted, polished steel hands provide an elegant contrast against the darker background. The overall composition is restrained yet rich in detail, allowing the exceptional finishing and carefully considered proportions to take centre stage.
Measuring 41mm in diameter and 11.65mm in height, the three-piece matt stainless steel case offers a contemporary presence while preserving the elegant lines of the traditional BENU design. Its softly finished surfaces complement the anthracite dial, producing a cohesive appearance that is sophisticated without being ostentatious. Sapphire crystal protects the dial, while a transparent sapphire case back provides a view of the remarkable mechanical craftsmanship within.
Powering the watch is the manufacture calibre 100.2, a manually wound movement comprising 227 individual components and 26 jewels, with three jewels housed in screw-fastened gold chatons. Adjusted in five positions, the movement incorporates the proprietary Grossmann balance, a traditional two-thirds plate construction in untreated German silver, and a cantilevered balance cock with fine adjustment through the Grossmann micrometer screw. Hand-engraved components, broad horizontal Glashütte ribbing, and three-tiered snailing on the ratchet wheel demonstrate the exceptional attention devoted to both mechanical performance and decorative finishing.
Among its most distinctive features is the linear power-reserve indicator, which displays the remaining energy of the movement through a slender, two-coloured bar. Driven by a sophisticated differential gearing system, the display provides a clear visual indication of the watch’s 42-hour power reserve. The subsidiary seconds and stop-seconds function are complemented by the signature Grossmann manual winding mechanism, featuring a separate pusher that releases the hand-setting mode and restarts the movement. This ingenious arrangement allows precise time setting without disturbing the position of the hands when returning the watch to normal operation.
Completing the BENU Power Reserve Matt Steel is a hand-stitched kudu leather strap secured by a solid stainless steel buckle. An additional commemorative detail is found on the movement’s balance cock, which carries a special ‘1826’ engraving acknowledging the birth year of Carl Moritz Grossmann. Produced in an exclusive edition of only 18 pieces, this remarkable watch is a fitting tribute to two centuries of German horological heritage, uniting historical engineering principles, contemporary design and the exceptional hand-finishing for which Moritz Grossmann is internationally respected.
Technical Specifications
General
- Brand: Moritz Grossmann
- Collection: BENU
- Model: Power Reserve Matt Steel
- Reference: MG-004123
- Release: 2026, celebrating 200 years since the birth of Carl Moritz Grossmann
- Limited edition: 18 pieces worldwide
- Manufacture: Glashütte, Germany
Movement
- Manufacture calibre 100.2
- Manual winding mechanical movement
- Adjusted in five positions
- 227 individual components
- 26 jewels, including three in screw-fastened gold chatons
- Lever escapement
- Frequency: 18,000 vibrations per hour (2.5 Hz)
- Power reserve: 42 hours when fully wound
- Movement diameter: 36.4mm
- Movement height: 5.4mm
Functions and Complications
- Hours and minutes
- Subsidiary seconds display
- Stop-seconds mechanism for precise time setting
- Linear power-reserve indicator with two-coloured display segment
- Differential gearing system for the power-reserve display
- Grossmann manual winding mechanism with separate pusher
- Lateral pusher to release hand-setting mode and restart the movement
Oscillator and Regulation
- Shock-absorbed Grossmann balance
- Four inertia screws and two poising screws
- Balance diameter: 14.2mm
- Nivarox 1 balance spring
- No. 80 Breguet terminal curve
- Oscillator geometry developed by Gustav Gerstenberger
- Grossmann micrometer adjustment screw on a cantilevered balance cock
Movement Construction and Finishing
- Pillar movement with two-thirds plate and frame pillars in untreated German silver
- Hand-engraved two-thirds plate, balance cock and escape-wheel cock
- Special commemorative ‘1826’ engraving on the balance cock
- Broad horizontal Glashütte ribbing
- Three-tiered snailing on the ratchet wheel
- Raised gold chatons with elevated screws
- Space-saving modified Glashütte stopwork with recoil
- Separately removable clutch winding mechanism
Case
- Material: Matt stainless steel
- Construction: Three-piece case
- Diameter: 41mm
- Height: 11.65mm
- Stainless steel crown and separate pusher
- Transparent sapphire crystal case back
Dial and Hands
- Dial colour: Anthracite
- Rhodium-plated dial surface
- Outer dial ring decorated with an azurage pattern
- Applied numerals and hour markers
- Manually crafted, polished steel hands
- Linear power-reserve display
- Subsidiary seconds display
Crystal
- Sapphire crystal
- Anti-reflective coating on one side
- Sapphire crystal display back
Strap and Buckle
- Hand-stitched kudu leather strap
- Solid stainless steel buckle
