No products in the cart.
Return To ShopWatch Database
Bettlach 8420-73
(EB)
Ligne: 8.75'''
Jewels: 17
Power Reserve: 41 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1955
Diameter: 19.7 mm
Hands: 1.20 x 0.70 x 0.21 mm
The Bettlach 8420-73 is a mechanical watch movement with manual winding and sweep second functionality. It includes a date feature, which is adjusted by changing the 20-24h. Additionally, the movement incorporates a sweep second hand and a calendar function. The Bettlach 8420-73 was commonly used around the year 1955.
The Bettlach 8420-73 features the following functions:
- Calendar
- Date: set by changing 20-24h
- Manual Winding
- Sweep second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.35 x 0.080 x 260 x 7.5 mm | GR3474 | Manual | Buy mainspring |
| 1.35 x 0.085 x 260 x 7.5 mm | GR3486 | Manual | Buy mainspring |
| 1.35 x 0.080 x 250 x 7.5 mm | Manual | Buy mainspring |
Parts Listing
All watch database content © EmmyWatch LLC. Unauthorized redistribution of content is strictly prohibited. All rights are reserved.
