ROLEX, REF. 2303, BABY SINGLE BUTTON
CHRONOGRAPH, BLACK DIAL YELLOW GOLD
Rolex, case No. 16121, Ref. 2303. Made in 1935, retailed by
Kerby.
Very fine and extremely rare, small, 18K yellow gold
wristwatch with co-axial button chronograph, registers,
tachometer, black dial and an 18K yellow gold Rolex buckle.
Two-body, polished and brushed, concave lugs, snap-on
case back.
Black, with white painted baton indexes, outer minutes
and fifth of a second track, subsidiary seconds and 30-minute
registers, outermost tachometer graduation. White
"feuille" hands.
Cal. 10 1/2''', rhodium-plated, 17 jewels, straight-line
lever escapement, monometallic balance, self-compensating
Breguet balance spring, index regulator.