New: Armin Strom Gravity Equal Force SHH Edition

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Armin Strom releases an 8 piece limited edition series of their Gravity Equal Force in collaboration with Sincere Haute Horlogerie (SHH), with a hand guilloched Voutilainen dial.

Press release details with commentary in italics.

New: Armin Strom Gravity Equal Force SHH Edition

The new Armin Strom Gravity Equal Force SHH Edition has a retail price of SGD 46,610, inclusive of GST. The series is a limited edition of only 8 pieces and available only at the SHH Boutique in Marina Bay Sands.


This new release is not a new watch per say, but a special 8 piece limited edition of the Gravity Equal Force first released in 2019. We covered the release in detail in this Comprehensive Review, with all the information on the specialities introduced in the ASB 19 caliber. The two distinctive features being the Stop Works with de-clutch and the Motor Barrel, which is discussed in detail in the linked review.

The novelty is released in collaboration with Sincere Haute Horlogerie. The watch has a very pleasant colour palate of a salmon pink on the movement plate against grey silver of the bridges and the dial proper. The base plate features a beautiful sunburst style guilloché made by the workshops of Kari Voutilainen, and plated in 5N pink gold.

The case is in stainless steel, and remains at the 41mm set by the launch watch, and is engraved “ONE OF EIGHT”. Priced at SGD 46,610, it commands a premium over the regular Gravity Equal Force Ultimate Sapphire (sapphire main hour minute dial, with the base plate in grey also made by Voutilainen), non limited edition series which retails for SGD 35,730.

At time of publication, we are in a viewing and handling session with the watch, and will photograph it. And will publish further thoughts together with a chat with Serge Michel soon.

Release Details

Armin Strom has announced the Gravity Equal Force SHH Edition, a remarkable timepiece to celebrate the collaboration with Sincere Haute Horlogerie (SHH). Limited to only eight pieces, the eye-catching timepiece stands out with its striking salmon-coloured movement plate that is hand-guilloched by Kari Voutilainen. With its skeletonized dial, the watch offers an extraordinary view of the exquisitely finished manufacture movement, underscoring the brand’s passion for openworked mechanics, which are at the very heart of its design philosophy.

Since it was first launched in 2019, Armin Strom’s Gravity Equal Force has made an impression on watch enthusiasts, and aficionados in Singapore are certain to share that passion. Like all the timepieces in the family, the Gravity Equal Force SHH Edition has constant force transmission – a world first – which results in consistent power delivery to the balance. This means that the watch always delivers flawless constant precision. Its ASB 19 caliber offers a power reserve of 72 hours.

Armin Strom’s commitment to innovation is demonstrated convincingly by the movement’s
“stop work” mechanism, which prevents the mainspring from fully unwinding to only leverage on the part of the unwinding process that can deliver power most consistently.

Several design features contribute to the Gravity Equal Force SHH Edition’s striking aesthetic presentation. Its salmon-coloured movement plate is hand-guilloched by celebrated Finnish watchmaker, Kari Voutilainen, to create a distinctive guilloche pattern. Kari Voutilainen is also a close friend of Armin Strom’s founders, Claude Greisler and Serge Michel. A striking skeletonized dial provides an unobstructed view of the mechanical mysteries inside the case, and the hands – created entirely in house – are plated in 18-karat 5N rose gold. Similar to the rest of the visible parts of the movement, they are meticulously hand-finished in-house.

“We’re excited about our collaboration with Armin Strom. We know that our collectors will love the Gravity Equal Force SHH Edition, and eight of them will have the opportunity to own a remarkable timepiece that exhibits classic Swiss-German watchmaking and future-focused innovation.”

Mr. Ong Ban, CEO of Sincere Fine Watches

“It’s been an enormous pleasure to honour our long-standing partnership with Sincere Fine Watches with such an exclusive timepiece, and we are excited to introduce our brand to new watch aficionados in Singapore.”

Mr. Serge Michel, Founder of Armin Strom.

The breathtaking Gravity Equal Force SHH Edition was designed and produced in-house at the brand’s manufacture in Biel, Switzerland. Like every Armin Strom watch, its movement is assembled twice. After the initial assembly, the movement is carefully disassembled and each individual part is cleaned, dried, reassembled and lubricated before being meticulously regulated, tested, and returned to the case.

While groundbreaking technology is a defining part of each Armin Strom timepiece, the brand’s design and craftsmanship also sets the Gravity Equal Force SHH Edition apart. Presented in a classic 41 mm stainless-steel case, the Armin Strom Gravity Equal Force SHH Edition comes with a black alligator leather strap, rounding out a presentation that is at once timeless and resolutely contemporary. Only 8 pieces of the Armin Strom Gravity Equal Force SHH Edition timepieces will be created, with each of them engraved “ONE OF EIGHT” as a mark of its exclusivity.

Armin Strom Gravity Equal Force SHH Edition specifications

MovementArmin Strom manufacture Caliber ASB19Automatic winding with micro rotor, Geneva-drive equal force barrel, offset displaywith subdial seconds
Salmon-coloured, hand-guilloche finished movement plate
Balance wheel with 4 regulating screws72 hours power reserve35.52 mm (D) x 11.67 mm (H) 3.5 Hz (25,200 vph)202 components and 28 jewels
CaseStainless steel
41mm (D) x 12.65 mm (H) Water resistant to 30 metres
DialSkeletonized off-center dial with subdial
CrystalSapphire crystal and case back with anti-reflective treatment
HandsIn-house manufactured Steel hands coated with 18K 5N rose gold
StrapBlack alligator strap with black stitching Stainless-steel double folding clasp