Brand Rolex, Geneva
Model ‘Officially Certified Chronometer’
Retailed by / made for -
Year circa 1952
Reference 4891
Movement No. E 80 580 and No. 82 217
Calibre 12’’’, manual-winding, 18 jewels
Case No. 762 507 (by Orac S.A., André Brauchi, Yvonand (Vaud)
Material/s yellow gold (18-carat)
Bracelet leather strap
Buckle gilded metal pin-buckle
Dimensions Ø 35.8 mm.
42 x 35.8 mm.
Thickness 10 mm.
Weight 36.2 gr. (approx.)
Signature dial, case and movement
Accessories - Rolex
Ref. 4891, centre-seconds, ‘attached’ lugs, silver dial; ‘Chronometer’; yellow gold (18-carat) -- Yellow gold (18-carat), manual-winding, round-shaped, gentleman’s wristwatch, chronometer, with centre-seconds and special lugs. -- Case: two-piece, polished and satin-finished, snap-on case-back, overhanging concave ‘attached’ lugs; polished ‘dome’ crown. Dial: silver colour, with yellow gold applied lapidated ‘Bâton’ indexes; external minute track divided five by five, with 1/5th of a second, with black painted radiating lines; yellow gold ‘Dauphine’ hands. Movement: calibre 12’’’, manual-winding, 18, jewels, rhodium-plated, patented Superbalance, self-compensating Breguet hairspring, polished steel index-regulator, timed 6 positions.