Ref. 903 36. Made circa 1950
18Kt yellow gold. 17-jewel manual wind movement. With square button chronograph, register and tachometer. Case three-body, polished, curved lugs, inclined bezel, snap-on case back.
Dial silvered with indexes and Arabic 12 and 6, subsidiary dials for the seconds and the 45 minute register, outer minutes/ seconds divisions with every five Arabic numerals, outermost blue tachometer scale. Gilt dauphine hands.
Dial, case and movement signed.
Diameter: 36 mm
Price: US $ 1,700