Vacheron Constantin brand

Attic Craftsman Series

1731 M820 movement model

45mm dial

18K 5N pink gold case material

Basic Information: ID: 6620C/000R-B656; Brand: Vacheron Constantin; Series: L’Artisan; Gender: Men; Movement: Movement Model: 1731 M820; Manufacturer: Unknown; Movement Diameter: 36mm; Movement Thickness: 7.84mm; Frequency: 21,600 vibrations per hour; Jewels: 36; Parts: 600; Power Reserve: 60 hours; Appearance: Case Diameter: 45mm; Case Thickness: 12.54mm; Dial Color: Blue; Dial Shape: Round; Strap Color: Blue; Clasp Type: Folding Clasp; Case Back: Transparent; Weight: Not available; Water Resistance: 30 meters; Hour Marker Type: Bat; Clasp Spacing: Not available; Lug Spacing: Not available; Materials: Case Material: 18K 5N Pink Gold; Dial Material: 18K 5N Pink Gold; Applied Bat Hour Markers; Bezel Material: 18K 5N Pink Gold; Crystal Material: Sapphire Crystal; Crown Material: Not available; Strap Material: Mississippi Alligator Leather; Clasp Material: 18K 5N Pink Gold features date display, day of the week display, month display, year calendar display, perpetual calendar, moon phase, and three-question clock.