T.E. (TECHNIC EBAUCHES) S73A-21
Brand T.E. (TECHNIC EBAUCHES) Caliber S73A-21 Size 5 1/2 Function Version Hands 0,50x1,00 Stem 5537 Stem (subs.) Stem (2 pce) Balance staff 28034 Balance staff (subs.) Mainspring (subs.) 1,40x6,50x0,065 Mainspring (subs.) Battery