Blog
Stories from the workshop
Sellita SW200-1: How the Subcontractor Became the Rival
The Sellita SW200-1 — a Swiss automatic built on the ETA 2824-2 architecture that grew from ETA's own assembler into its biggest rival. History, specs, and an honest comparison with ETA and the Chinese Seagull ST2130 clone.
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ETA 2824-2 — The Benchmark Every Self-Winding Movement Is Measured Against
The ETA 2824-2: Switzerland's most widely used automatic calibre — its grades, the Etachron system, servicing and common faults, plus the Sellita SW200-1, ETA 2892-A2 and Miyota 9015 alternatives.
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Valjoux 7750: the chronograph that survived the quartz crisis
The history and modern use of the legendary Valjoux 7750 (ETA 7750) chronograph movement and the Asian 7750 as an affordable alternative.
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History and use of the UNITAS 6498 watch movement
The history and modern use of the UNITAS 6498 movement and its clones — especially the Seagull ST36 / ST3620.
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The art of patina: how copper tells stories
Patina is not a flaw — it's time's signature. Discover how my copper time machines gain character with age.
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