Unitas 6425 = Dugena 3910
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13”’ | Hand Wind | Swiss Lever | Small Seconds | Date |
Remarks:
- Unitas Movement family (see extra picture):
- Unitas 6325: Small seconds
- Unitas 6326: Small seconds, different bridge shapes
- Unitas 6335: Indirect sweeping seconds
- Unitas 6336: Indirect sweeping seconds, different bridge shapes
- Unitas 6420: Indirect sweeping seconds, date
- Unitas 6421: Indirect sweeping seconds, date, different bridge shapes
- Unitas 6422: Indirect sweeping seconds, date, day
- Unitas 6423: Indirect sweeping seconds, date, day, different bridge shapes
- Unitas 6425: Small seconds, date with quick-setting
- Unitas 6426: Small seconds, date with quick-setting, different bridge shapes
- Unitas 6427: No seconds, date, day, bothe with quick-setting
- Unitas 6428: No seconds, date, day, bothe with quick-setting, different bridge shapes
- Listing ID: 6237
- Manufacturer / Brand: Unitas / Dugena
- Caliber: Unitas 6425 = Dugena 3910
- Size in French Lignes: 13'''
- Size range mm largest diameter: 22 - 31 mm
- Shape: Round
- Winding: Manual (Crown)
- Hands Setting: Crown
- Seconds Hand: Small seconds
- Escapement: Lever (Swiss, English, Glashütte)
- Date, Day, Month...: Date
- Jewels: 17
- Setting Lever Screw/Pin Position: Right
- Balance Position: Bottom (120 - 240°)
- Shock Protection: Incabloc
- Beats per hour: 21,600
- Balance Type: Nickel
- Power Reserve: Unknown
- Production Period: Unknown, probably around 1972
- Identification: Marked with UT 6425 under the balance wheel, and with Dugena 3910 on the ratchet wheel. Listed in the Flume K3 catalog from 1972.
- Country: Switzerland
- Contributor ©: Uhrforum.de member Badener (Andreas Kelz)
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