Lange brand

1815 series

L051.3 Movement Model

40mm dial

18k white gold case material

Basic Information: Model Number 238.026 / LS2383AP; Brand: Lange & Söhne; Series: 1815; Gender: Men’s; Movement: Movement Model L051.3; Manufacturer: Lange & Söhne; Movement Diameter: 30.6 mm; Movement Thickness: 5.7 mm; Balance Wheel: Shock-resistant screws; Balance Wheel Frequency: 21,600 vibrations per hour; Hairspring: In-house balance wheel; Number of Jewels: 26; Number of Parts: 345; Power Reserve: 72 hours; Appearance: Case Diameter: 40 mm; Case Thickness: 10.1 mm; Dial Color: Silver-white; Dial Shape: Round; Strap Color: Black; Clasp Type: Pin Buckle; Case Back: Transparent, Sapphire Crystal (Mohs Hardness 9); Weight: 95 grams; Water Resistance: 30 meters; Hour Markers: Arabic numerals; Clasp Spacing: Not available; Lug Spacing: 20 mm; Materials: Case Material: 18k white gold; Dial Material: Solid silver; Hands: 18k gold rhodium-plated and blued steel; Bezel Material: 18k white gold; Crystal Material: Sapphire crystal (Mohs Hardness 9). Crown material: 18k white gold; Strap material: hand-stitched alligator leather; Buckle material: 18k white gold; Functions: Date display, day of the week display, month display, annual calendar display, moon phase.