Sinn Launches Limited Edition 140 A S Anniversary Watch
The German watchmaker celebrates its 65th anniversary with a space-tested chronograph design.
Updated on Oct. 26, 2026 in Space
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Sinn has released the 140 A S Anniversary watch, a limited edition timepiece produced in a run of only 300 pieces. The watch honors the company's 65th anniversary and draws inspiration from the Sinn 140 S worn by Reinhard Furrer during the 1985 D1 Spacelab mission.
Why it matters
This release marks a significant milestone for the German watch manufacturer while commemorating a historic moment in space exploration. By utilizing advanced hardening and moisture-protection technologies, the brand aims to maintain the functional legacy established by its original space-faring chronographs.
The watch utilizes a 44mm stainless steel case with a DLC coating and Tegiment surface-hardening treatment to ensure durability. It features an in-house Caliber SZ-01 automatic movement beating at 4Hz with a 42-hour power reserve.
The players
Sinn
A German watchmaker known for producing specialized timepieces for pilots, divers, and space missions.
Reinhard Furrer
A physicist and astronaut who famously wore a Sinn 140 S chronograph during the 1985 D1 Spacelab mission.
The details
Engineered for harsh environments, the timepiece incorporates an Ar-Dehumidification system to protect the internal movement against moisture damage. The watch is priced at $6,980 and maintains a high level of technical performance consistent with the brand's aviation and space heritage.
Timeline
Reinhard Furrer wore the Sinn 140 S during the 1985 D1 Spacelab mission.
The Sinn 140 A S Anniversary watch became available on October 26, 2026.
The Big Picture
This release follows a pattern set by the 1985 D1 Spacelab mission where the brand first proved its chronographs in orbit. It represents a shift toward re-emphasizing historical milestones through modern materials, bridging the gap between archival design and contemporary horological technology.
For collectors and enthusiasts, this watch offers a tangible connection to space exploration history through its specialized moisture-protection and hardening technologies. Potential buyers should note that with only 300 units available globally, the high demand typical of limited anniversary editions may impact immediate market availability.
The takeaway
This limited edition highlights the enduring appeal of heritage aerospace gear in the modern luxury market. Collectors interested in high-durability timepieces should evaluate whether the internal movement specifications justify the premium price point relative to standard mechanical watches.
Further reading
Learn more about the intersection of horology and orbital research in our Space section.
Source note: This article includes information reported by Gear Patrol.
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