Lange brand

LANGE 1 Series

L121.1 movement model

36.8 mm dial diameter

18k white gold case material

Basic Information: Model Number 181.038 / LS1813AA; Brand: Lange; Series: LANGE 1; Gender: Ladies; Movement: L121.1; Manufacturer: Lange; Frequency: 21,600 vibrations per hour; Jewels: 43; Parts: 368; Power Reserve: 72 hours; Exterior: Case Diameter: 36.8 mm; Case Thickness: 9.5 mm; Dial Color: Dark Grey; Dial Shape: Round; Strap Color: Light Grey; Clasp Type: Pin Buckle; Case Back: Transparent; Weight: 79.3 grams; Water Resistance: 30 meters; Hour Markers: Roman numerals; Clasp Spacing: Not available; Lug Spacing: 19 mm; Materials: Case Material: 18k White Gold; Dial Material: Solid 18K Gold, Grey, Guilloché; 18K Yellow Gold Rhodium Plated; Hands: 18k White Gold; Bezel Material: 18k White Gold; Crystal Material: Sapphire Crystal (Mohs Hardness 9); Crown Material: 18k White Gold; Strap Material: Alligator Leather; Clasp Material: 18k White Gold; Functions: Large Date; Power Reserve Display