Important Modern & Vintage Timepieces
Hong Kong, Nov 30, 2025
LOT 277
OTSUKA LOTEC, NO. 7.5, STEEL
HKD 30,000 - 60,000
EUR 3,400 - 6,700 / CHF 3,200 - 6,300 / USD 3,900 - 7,800 / JPY 600,000 - 1,190,000
Sold: HKD 45,000
A fine, interesting, steel, self-winding wristwatch with jumping hours, minutes disk and seconds disk.
| Grading System | |
|---|---|
Grade: AA |
Very good |
Case: 2-8 |
Very good |
Movement: 2* |
|
Dial: 2-01 |
Very good HANDS Original |
Brand Otsuka Lotec
Model No. 7.5
Year sold in 2025
Bracelet OL rubber strap with OL steel buckle
Diameter 40mm.
Caliber Miyota 82S5
Signature dial, case and movement
Accessories OL fitted box, instruction manual, certificate dated 2025
Notes
The No. 7.5 is an exquisite example to illustrate the boundaries between horology and industrial engineering. Inspired by vintage turret-style cameras, the No. 7.5 creatively designed with three portholes to reveal the jumping hour display, rotating minute and seconds discs, forming a cockpit-like interface for time-telling. This lot with full set is in pristine condition, and is a sought-after piece for collectors who are looking for eye-catching watch to be noticeable on the wrist.