Thursday, June 19, 2025

ARMIN STROM – Gravity Equal Force Ultimate Sapphire Rose Gold Edition


ARMIN STROMSYSTEM 78 Gravity Equal Force Ultimate Sapphire Rose Gold Edition 2025

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Armin Strom Unveils the Gravity Equal Force Ultimate Sapphire Rose Gold — A Masterpiece of Mechanics and Elegance

A composition of tone, tension and time

The Gravity Equal Force Ultimate Sapphire Rose Gold introduces a sophisticated interplay of finishes, tones and architecture. 

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Its sculptural movement architecture is housed in a full 18K rose gold case, contrasting gently with a brown guilloché mainplate and rose gold-coloured bridges. 

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The off-centre sapphire dial appears to float above this composition, while the matte brown nubuck strap brings a subtle, earthy counterpoint. 

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This precise assembly of tones results in a watch that feels effortlessly coherent — where every element supports the next and nothing is left to chance.

Precision that lasts — by science

This timepiece is powered by Armin Strom’s Caliber ASB19, the first automatic movement to feature a stop-work declutch mechanism combined with a Geneva cross inside the barrel. 

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This patented solution controls torque delivery, ensuring equal force is supplied to the regulating organ from start to finish. The result is rare chronometric consistency — maintained over a full 72 hours of power reserve. 

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Opposite the barrel, a micro-rotor enables efficient winding without obstructing the view of the movement’s architecture — preserving the symmetry Armin Strom is known for.

Decorated with conviction. Built with patience.

As always at Armin Strom, all components, visible or invisible, are meticulously hand-finished. The three bridges are bevelled and straight-grained by hand. 

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The mainplate is decorated with a “grain d’orge” guilloché pattern, precisely cut using a traditional hand-operated guilloché machine. 

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Black-polished screws, along with decorative techniques such as perlage, Geneva stripes and circular brushing, are visible throughout the movement and reflect the attention to finishing. 

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Not as ornamentation, but as part of the movement’s visual identity.

Limited, by intent

Only 20 pieces per year will be produced — a rare and radiant statement in independent Swiss watchmaking.

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TECHNICAL CHARACTERISTICS

Collection: SYSTEM 78

Model:  Gravity Equal Force Ultimate Sapphire Rose Gold Edition

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 Ref.  RG24-GEF.SA 

Movement
Armin Strom manufacture Caliber ASB19
Automatic winding with microrotor
Geneva-drive equal force barrel, offset display with subdial subdial seconds

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Main plate: Brown PVD plate with guilloché pattern by Kari Voutilainen
Regulating system: Balance wheel with 4 regulating screws
Power reserve: Geneva stop-work limited to 72 hours
Dimensions: 35.52 mm x 11.67 mm
Frequency: 3.5 Hz (25,200 vph)
Finishing: Hand-finishing to the highest quality level
Jewels: 28
Number of components: 202
Indications
Hours, minutes, seconds, power reserve indicator
Case
Bezel: 18K Rose Gold
Sapphire crystal and case back with anti-reflective treatment
Diameter: 41mm
Height: 12,65mm
Water resistance: 3 ATMLug-to-
Lug: 48.09 mm
Dial
Grey-toned off-centre sapphire dial with subdial
Hands: Faceted polished hands and Super-LumiNova® filling
Strap
Delivered with a brown nubuck leather strap with beige stitching and keepers
Width lugs/buckle: 20/18 mm
Buckle: 18K Rose Gold Pin buckle 


 🔰EDITION     Limited edition to 20 pieces

🔴Price: CHF 39,400 / EUR 31.900 / GBP 27.300 / USD 28.900

(Price excluding tax / Free global delivery) 💰

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Press releases - 2025
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ARMIN STROM AG |
Bözingenstrasse 46
CH-2502 Biel-Bienne | Switzerland
Tel. +41 (0)32 343 33 44
Fax +41 (0) 32 343 33 40
info@arminstrom.com
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For more information relating to this press release or to Armin Strom:
Bettina Fleury, Armin Strom AG,
Tel. +41 32 343 33 44, b.fleury@arminstrom.com
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