描述
A. Lange & Söhne, LANGEMATIK series, model: 310.221, automatic mechanical movement , diameter: 38.5 MM (men's version) , 95 new, 18 K gold sapphire glass folding buckle with transparent display of date, week, and month; Display in leap years; Waterproof for daily life; Around 19 cm around the wrist, the rare perpetual calendar all gold strap is rarely seen; Weighing approximately 191.7 grams.