General Specs (Vintage)
Reference: 1675 (one of the most iconic early GMTs)
Case Material: Stainless steel (also available in gold/two-tone)
Case Diameter: ~40 mm
Lug Width: 20 mm
Case Thickness: ~12.5 mm
Crystal: Acrylic (plexiglass)
Water Resistance: ~50 – 100 m (varies by era)
Movement: Automatic calibers such as Cal. 1565 / 1575 (no quickset date on early versions)
Bezel: Bidirectional rotating 24-hour bezel with aluminum insert
Functions: Hours, minutes, seconds, date, dual time (GMT)