Case Material: 18K White Gold Case Size: 40mm Dial: Solid silver with argenté (silver-gray) finish, featuring a minimalist and elegant design with the iconic outsize date Strap: Hand-stitched black alligator leather strap with 18K white gold tang buckle Movement: Manual winding, in-house Lange calibre L086.1 Functions: Hours and minutes with small seconds Outsize date (patented by Lange for easy readability) Power reserve indicator (Auf/Ab) Power Reserve: Approximately 72 hours Crystal: Scratch-resistant sapphire crystal (front and caseback) Water Resistance: 30 meters Reference Number: 381.029 Special Features: Sleek, minimalist design with a focus on legibility and precision Signature outsize date display at 12 o'clock, a hallmark of A. Lange & Söhne Hand-finished German silver movement visible through the transparent caseback, showcasing Lange’s dedication to craftsmanship Elegant white gold case and refined dial enhance the watch's timeless aesthetic Made in: Germany