TECHNICAL SPECIFICATIONS 

Reference: 57981 AA01 
Movement: Hand-winding 16 1/2 Unitas 6498-1, 17 jewels. Rhodium plated and decorated skeleton movement. 
Case: Steel polished, diameter 43.00 mm, domed sapphire crystal, transparent case back, water-resistant at 50 meters. 
Dimension: Horn-gap 22.00 mm, total height 11.70 mm. 
Dial: Silvered circular ring 
Leather strap: Café leather, 22.00 mm, folding clasp.