Guinand World Time Watch WZU-5
Guinand Weltzeituhr WZU-5
This worldtimer constructed by Helmut Sinn (found of the watch brand Sinn) on base of a Unitas calibre is the first mechanical wristwatch worldwide, which can show the time in 5 different stock exchange cities (Frankfurt, London, New York, Tokio, Hongkong) on 5 different continents of the earth independently. All times in this challenging complication are adjustable independently and manually.
Reference:
- WZU-5
Movement:
- Calibre HS 81 WZ (basis Unitas 6497-1), manual winding, 18,000 A/h
- 18 jewels
- Hairspring Nivarox 1
- Screws polished, blued
- Module construction 4 time zones in 24 hours mode, each adjustable independently
- Specialities indirect central seconds, hacking seconds
- Power reserve ca. 40 h
Case:
- Ø 44.80 mm, height 14.50 mm
- Sapphire crystal, sapphire crystal caseback
- Waterproof to 50 m (DIN 8310)
Bracelet:
- Crocodile leather strap, lined. Tang-type buckle in stainless steel
- Optional Metal bracelet in stainless steel, 7 rows, stainless steel clasp
Annotations:
- The four sub-dials are unprinted as standard. Individually city names can be attached for surcharge.
- For an extra charge the movement is available with swan-neck precision regulator or with swan's neck fine regulation, screwed balance and engraved balance cock