歐米茄 "Cadran" Breveté S.G.D.G.，錶殼號 4342775，參考號 CH 543.19，Cal. 19'''CHRO，54 mm， 117 g，約 1910

罕見的男仕懷錶，附碼錶，S.G.D.G. 速測儀錶盤及刻度

Omega "Cadran" Breveté S.G.D.G.

, Case No. 4342775, Ref. CH 543.19, Cal. 19'''CHRO, 54 mm, 117 g, circa 1910

A gentleman's rare pocket watch with chronograph and polychrome S.G.D.G. dial and tachy scale

Case: silver, polished. Dial: enamel, Arabic numerals, 15 min. counter, concentric tachy scale, spade hands. Movm.: 4/5 plate movement, frosted, gilt, very finely ground chronograph steel parts, ratchet wheel, screw compensation balance, index spring fine adjusting device.

S.G.D.G. Tachymeter Dial
The tachymeter dial allows the measuring of any speed between 10.5 and 140 miles per hour without the help of calculations.
15-minute counters starting with 5 individual minute segments in different colours to indicate which colour will show the speed on the spiral tachymeter scale.
Source: Marco Richon "Omega", 2007, p. 520-523
#40684

錶殼非常好, 多處凹凸痕, 少有使用過
錶盤非常好
机蕊非常好, 走動正常