Steel, manual wind, plastic glass, original bracelet, folding clasp, ca 1968.
Caliber 861, serial no. R. 38792 (service movement), Reference no. ST 145.012, Case no. 145012 SP. Bracelet reference no. 1171/1/633.
Wear commensurate with age and use, replaced movement, later dial, later bezel, new engaving on the back case, later bracelet.