Dugena 1017

Automatic · 7‴ · Switzerland · 1955

Also known as: AS 1635

Dimensions
16.3 mm
Height
5.40mm
Jewels
21
Power reserve
37h
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 Automatic
Winding type Automatic (Rotor-Driven)
Setting type Stem Set (Crown Pull)
Escapement type Swiss Lever
Control type Balance Wheel
Regulator type Pinned Regulator (or Index Regulator)
Rotor type Central Rotor
Shock protection Incabloc
Specifications
Lignes 7‴
Shape Round
Complications Sweep Second
Hand count 3
Hand sizes 1.20 x 0.75 x 0.21mm
Further measures
Mounting Diameter (Dm): 16.0mm
Stem height (T): 1.7mm
Mounting Height (F): 0.8mm
Origin & References
Manufacturer Dugena
Base caliber AS 1635
Country Switzerland
Launch year 1955
COSC certified No
Signature
ca. 1955: Swiss, 21 Jewels - UT; Incabloc (AS 1635, 18000A/h)
US import codes
Notes
Remarks: option: winding gear from beryllium bronze
Other data: balance staff: U2643 stem: W2675 mainspring / battery: Zf817, 1.30 x 6.0 x 0.06 x 210mm