Rare item: Orient GeneQua YH03-COO (JDM)

Japan Domestic Model | Automatic + Quartz Hybrid | Extremely rare

This exceptional Orient GeneQua (Ref. YH03-COO) is one of the most technically innovative watches ever produced by Orient Watch Co., Ltd. It combines an automatic movement with an integrated generator and a precision-controlled quartz module – a hybrid system that unites both the energy efficiency of mechanical drives and the accuracy of electronic timekeeping.

The name GeneQua stands for "Generator + Quartz" . This concept was developed in the early 2000s exclusively for the Japanese market and remained available there in very limited numbers. Due to the small production run and the experimental hybrid technology, the GeneQua is now considered one of the rarest Orient watches ever made .

Operating principle

The GeneQua uses the kinetic energy of the carrier to drive a microgenerator via a rotor. This generates electrical current, which charges an energy storage device and powers the integrated quartz module.
This makes the watch offer:

• the precision of a quartz movement ,
• without battery replacement ,
• in purely mechanical energy generation .

The power reserve indicator on the dial (0–7 days) shows the charge level of the energy storage. A viewing window in the screw-down case back allows a view of the microgenerator and the characteristic rotor – a highlight of Japanese engineering.

Technical data

• Model: Orient GeneQua
• Reference: YH03-COO CA
• Movement: Orient Caliber YH03 (Hybrid Automatic/Generator Quartz)
• Power supply: Generator powered, no battery replacement required
• Power reserve indicator: 0-7 days
• Case: Stainless steel, satin-finished and polished
• Case diameter: 39 mm (excluding crown)
• Height: 12.8 mm
• Lug-to-lug: 46.5 mm
• Band connection: Integrated
• Weight: 128 g (including stainless steel bracelet)
• Glass: Mineral glass
• Dial: Black, with central date window at 6 o'clock
• Display: Hours, minutes, seconds, date, power reserve
• Housing base: stainless steel, screwed on, viewing window on generator
• Water resistance: 10 bar (100 m)
• Bracelet: Integrated original stainless steel bracelet with solid links and folding clasp
• Condition: Very good , fully functional, only minimal signs of wear

Historical background

The Orient GeneQua was created during a transitional period between traditional mechanical watches and modern hybrid technology. It was produced exclusively in Japan from approximately 2001 to 2003 and is now considered a technical collector's item .
Its design is similar to the "Spring Drive" principle later perfected by Seiko, but with Orient's own unique development. Due to the low production numbers, very few completely preserved examples exist.

This watch is a piece of Japanese engineering history – rare, technically fascinating and of high collector value.

Warranty (used)
This is a used item. The limitation period for claims based on defects (statutory warranty) is 12 months from delivery.

Notice
As this is a pre-owned watch, water resistance cannot be guaranteed. To protect the movement, the watch should not come into contact with water or moisture.