Reference: 61901 R101
Movement: Self-winding 13 1/4 Valjoux 7750. Rhodium plated and circular-grained with decoration "côtes de Genève" with blued steel screws, 25 jewels.
Case: Steel rose plated 4N, diameter 42.00 mm, domed sapphire crystal, transparent case back, water-resistant at 50 meters.
Dimension: Horn-gap 20.00 mm, total height 15.00 mm.
Dial: Silvered guilloché, painted roman figures, date at 3 o'clock.
Leather strap: Brown leather 24.00 mm with visible stitching, folding clasp.