Durowe 65

Manual · 6.75‴ x 8‴ · Germany · 1950

Dimensions
15.35 mm x 18.3 mm
Height
Jewels
17
Power reserve
43h
Timegrapher
Beat rate
18,000bph
Frequency
2.5Hz

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 6.75‴ x 8‴
Shape Barrel (Tonneau)
Complications Sweep Second , Chronograph Stopwatch
Hand count 3
Hand sizes 1.00 x 0.55mm
Further measures
Mounting Diameter (Dm): 15.35 x 17.8mm
Stem height (T): 1.7mm
Mounting Height (F): 0.8mm
Origin & References
Manufacturer Durowe
Country Germany
Launch year 1950
COSC certified No
Signature
ca. 1950: E. Wagner, Germany, 17 Jewels - Durowe 61, 3 (Durowe 61, without second)
Notes
Remarks: -1962
Other data: balance staff: U2486 stem: W2042 mainspring / battery: Zf1301, 1.60 x 7.5 x 0.09 x 220mm stem ronda: 325 (6,75) Mainspring: 1.600 x 7.000 x 0.085 x 240.000 mm
Family

Series 61 - 65

61: -
65: sweep second
Related calibers
Durowe 61 Durowe 65