TICK A DEE DOO DAHWatch repairs
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0019  

Type
Watch
Description
Silver dial with applied baton markers and numerals at 12, 3 and 9, small seconds at 6, dark hands, gold-coloured case; no brand visible on the dial in the photo
Movement calibre
Felsa 1560 (Bidynator)
Movement type
Automatic
Jewels
30
Case back
Screw-down
Verdict
Service
✓ Dial✓ Hands✓ Crystal✓ Crown✓ Stem✓ Case✓ Case back✓ Movement✓ Rotor

Notes

From photos. No maker name is readable on the dial. The back is stamped 42330 (probably a case number). The back has small notches around the rim, which suggests a screw-down back; owner reports it won't open. Movement not seen, so movement type, jewel count and maker are unknown. Movement stamped Felsa maker mark and 1560. Bi-directional automatic (Bidynator family). Movement diameter 26 mm. Rotor marked 30 JEWELS SWISS MADE; the real jewel count is unconfirmed (other Felsa 1560 listings show 17 or 23). Balance and hairspring look intact in photos. To do: wind by hand and check the rotor turns freely, run on the timegrapher for a baseline, then inspect the rotor bearing and reversing wheels before cleaning.

Work

Open the case back (stuck screw-down back, use a correctly fitting case wrench)Planned