INT 1980 = AS 1977-5 = Dugena 2133 = Dugena 2134 = Orient 21021
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5 3/4 x 6 3/4”’ | Hand Wind | Swiss Lever | No Seconds |
Remarks:
- Sometimes also called DuRoWe 1980, because DuRoWe was part of Ebauches SA since 1965. But the movement is always marked with INT 1980.
- Spare part blisters for the INT 1980 are often labeld with the INT and DuRoWe logos, and with both 1980 and 1977-5 (see extra picture)
- Movement family:
- AS 1977
- AS 1977-2: Different parts compared to 1977: barrel bridge, barrel, mainspring, balance with hairspring
- AS 1977-4: Different parts compared to 1977-2: balance cock, regulator
- INT 1980 = AS 1977-5: Different parts compared to 1977-4: click, setting lever pin, higher barrel, mainspring, several other modifications
- AS 1978: Like AS 1977, but with a rounded edges on the left and right instead of straight edges
- AS 1978-2: Like AS 1977-2, but with a rounded edges on the left and right instead of straight edges
- Listing ID: 6024
- Manufacturer / Brand: AS / Dugena / Orient
- Caliber: INT 1980 / AS 1977-5 = Dugena 2133 = Dugena 2134 = Orient 21021
- Size in French Lignes: 5 3/4 x 6 3/4'''
- Size range mm largest diameter: 0 - 22 mm
- Shape: Form
- Winding: Manual (Crown)
- Hands Setting: Crown
- Seconds Hand: None
- Escapement: Lever (Swiss, English, Glashütte)
- Date, Day, Month...: None
- Jewels: 17
- Setting Lever Screw/Pin Position: Right
- Balance Position: Right (0 - 120°)
- Shock Protection: Incabloc and others
- Beats per hour: 21,600
- Balance Type: Glucydur
- Power Reserve: Unknown
- Production Period: From 1976 onwards
- Identification: Marked with INT 1980 under the balance wheel, with Dugena 2133 / 2134 on the ratchet wheel, or with Orient 21021 on the wheel train bridge. As INT 1980 described in "Neue Uhrmacher-Zeitung" 12/1976.
- Country: Switzerland
- Contributor ©: Uhrforum.de member Badener (Andreas Kelz)
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