SINN 103 C
The Sinn 103 C, which was assembled in very small quantities for "Helmut Sinn Spezialuhren" in the 1970s, was based on a design of the chronograph by Mathey-Tissot.
Mathey Tissot was a gray eminence in watchmaking and supplied the great ones with chronographs and repeaters.
SINN 103 C
Scew-Back case and , black dial, and three large white subsidiary dials. 30-minute with red/black marking and 12-hour subsidiary dials at 3 and 6 o'clock, the permanent seconds subdial at 9 o'clock.
The black bezel is bi-directional and features a triangle with a pearl at 12 o'clock, displaying minute markings. The outer case back is signed with "SWISS MADE STAINLESS STEEL" and a serial number.
The movement is a Valjoux 726, signed under the balance wheel.
Serial number 6 digits starting with 333 XXX.
- Case Diameter: 40,8 mm
- Overall Height: 14,3 mm
- Lug Width: 20 mm
CASE BACK
The outer case back is signed with a serial number. The movement is a manual wind Valjoux 726 calibre and signed under the balance.
Serial Number 6 digits starting with 333 XXX
- Case Diameter: 40,8 mm
- Overall Height: 14,3 mm
- Lug Width: 20 mm
MOVEMENT
VALJOUX 726
- Manual Wind Chronograph
- 60s, 30min, 12h
- Column Wheel
- Small Seconds
- 17 Jewels
- 21.600 A/H
VINTAGE SINN COLLECTOR
Copyright © Vintage Sinn Collector 2023
