細節
ROLEX, "OYSTER PERPETUAL" BUBBLE BACK REF. 2940
STAINLESS STEEL SELF-WINDING WRISTWATCH WITH SMALL SECONDS
CASE NO. 376904, CIRCA 1945
Calibre 9 3/4''', 19 jewels, superbalance, the two-tone coppery dial with Arabic numerals, outer minute track, engine-turned subdial for small seconds, in three-part case, brushed and polished, domed crystal, screw-down back and crown, case, dial and movement signed
Diameter: 32 mm.