Durowe 70

Manual · 5.75‴ x 6.75‴ · Germany · 1958

Dimensions
12.97 mm x 15.23 mm
Height
3.30mm
Jewels
17
Power reserve
30h
Timegrapher
Beat rate
18,000bph
Frequency
2.5Hz
Lift angle
56°

Reference: healthy amplitude ≈ 270–315° fully wound (>200° at 24 h); beat error ideally < 0.5 ms.

Movement
Movement type Manual
Winding type Stem Winding (Crown)
Setting type Stem Set (Crown Pull)
Escapement type Swiss Lever
Control type Balance Wheel
Regulator type Pinned Regulator (or Index Regulator)
Specifications
Lignes 5.75‴ x 6.75‴
Shape Barrel (Tonneau)
Hand count 2
Hand sizes 1.10 x 0.55mm
Further measures
Mounting Diameter (Dm): 13.1 x 15.6mm
Stem height (T): 1.7mm
Mounting Height (F): 0.6mm
Origin & References
Manufacturer Durowe
Country Germany
Launch year 1958
COSC certified No
Signature
ca. 1960: Laco, 17 Jewels; Duro-Swing
Notes
Remarks: 1958-1964
Other data: balance staff: U2936 / U2015 roller 0.34mm/0.37mm stem: W2491 mainspring / battery: Zf645, 1.20 x 6.0 x 0.07 x 180mm balance staff ronda: 4600 (5 x 7) balance staff ronda: 3830 (5 x 7) balance staff ronda: 4599 (5 x 7) balance staff ronda: 4153 (5 x 7) stem ronda: 1499 (5,5) Mainspring: 1.200 x 6.000 x 0.075 x 200.000 mm

Compatible Parts

363 other catalog sources can supply compatible parts for this caliber.

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