Important Modern & Vintage Timepieces

Hong Kong, May 10, 2020

LOT 70

Bulgari - Ref. GMT 40 S, self-winding, date, AM-PM indication, two-time zone; “Diagono Professional”; stainless steel

Stainless steel, self-winding, tonneau-shaped, aviator’s wristwatch, water-resistant with screwed case-back, winding crown protected by the crown guards, 24-hour graduated bidirectional revolving bezel for the AM-PM indication, silver “sunburst” colour dial with centre-seconds and three horological complications: • Date of the month (subsidiary dial at 6 o’clock, adjusted by the round screwed push-piece at 8 o’clock) • Diurnal (day-time) and nocturnal (night-time) hours with a 24-hour (AM-PM) scale (central hour index) • Two-time zone (same central hour index independently adjustable by the round screwed push-pieces at 2 and 4 o’clock; bezel graduated for 24 hours).