CHRONOSWISS REF CH 7523 S OPUS
CHRONOGRAPH SKELETONIZED STEEL
Chronoswiss, "Opus", Chronograph No. 3905, Ref. CH 7523.
Made circa 2000s.
Very fine, skeletonized, self-winding, water-resistant, stainless steel
wristwatch with round button chronograph, registers, date and
stainless steel Chronoswiss buckle. Accompanied by a fitted box,
hang-tags, guarantee, and booklets.
Three-body, solid, polished and brushed, reeded bezel and back
edge, straight lugs, screwed bars, screwed-down transparent case
back, sapphire crystals.
Skeletonized solid silver, outer 1/5th seconds scale, subsidiary
ring dials for the days of the month at 3, the seconds at 9, 12-hour
register at 6 and 30-minute register at 12. Blued steel Breguet
Cal. C. 741S, gilt, skeletonized and oeil-de-perdrix decoration,
23 jewels, straight-line lever escapement, monometallic balance,
shock-absorber, self-compensating flat balance-spring, micrometer