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Otsuka Lotec No. 8
Otsuka Lotec's No. 8, the Jiro Katayama watch that jumps its hour channel once an hour while a flywheel-linked minute fader sweeps back from 60 to zero, with a seconds disk turning once every 90 seconds — all visible through the side of the case. MIYOTA 90S5 with an in-house 62-component module, 31mm stainless case. Not sold in shops: Otsuka Lotec releases its models by lottery (抽選販売) through the brand's own site and online shop, and the price rose to ¥1,089,000 including tax on 1 September 2026. The No. 8 was nominated in the Petite Aiguille category at the 2025 GPHG.
- Price
- ¥1,089,000
- Region
- JP
Details
- Reference
- No. 8
- Case size (mm)
- 31
- Movement
- MIYOTA 90S5 with in-house module; automatic, 33 jewels + 3 ball bearings, 28,800 vph, ~32h power reserve
- Case material
- Stainless steel 316L, hairline finish
- Dial
- Hour channel (jumping hours), minute fader retrograde driven by a flywheel, seconds disk at one revolution per 90 seconds
Last checked 19 Oct 2026. Details can change at the source.