Girard-Perregaux
Brand Girard-Perregaux, la Chaux-de-Fods Model ‘No 1 Tourbillon - Répétition Minutes’; unique piece Retailed by - Year circa 1995-2000 Reference 99550 Movement unnumbered Calibre GP 9892, manual-winding, 38 jewels Case No. 1 Material/s titanium Bracelet black leather strap Buckle stainless steel pin-buckle Dimensions Ø 39 mm.
44.8 x -38.8 mm.
Thickness 12.8 mm. Length - Weight 56.2 gr. (approx.) Signature dial, case and movement Accessories - Girard-Perregaux Ref. 99550, skeleton and hand-engraved, minute-repeater, one-minute tourbillon regulator built under three gold bridges; ‘No 1 Tourbillon - Répétition Minutes’, probably unique piece; titanium -- Titanium, manual-winding, round-shaped, skeleton gentleman’s wristwatch, with subsidiary seconds at 9 o’clock and two horological complications: Minute-repeater by two hammers on two steel gongs (rings on demand, ‘repeating at will’, hours, quarters and minutes elapsed; activated by the slide at 9 o’clock) Visible one-minute tourbillon regulator under three pink gold (18-carat) bridges (on the reverse face) -- Case: three-piece, satin-finished, water-resistant with sapphire-crystal case-back screwed by four screws, concave bezel, straight lugs; polished crown. Dial: black colour ring, with radiating and revolving luminescent Arabic numerals; white painted skeleton and luminescent ‘Bâton’ hands. Movement: calibre GP 9892, manual-winding, 38 jewels, Ernest Guinand-type carriage with A-shaped frame, lateral lever escapement, one-minute tourbillon regulator, monometallic screwed balance, self-compensating flat balance spring.
