- Case made of stainless steel, polished
- Diameter of case: 39 mm
- Electroplated black dial with sunburst decoration
- Sapphire crystal glass in front
- Transparent case back made of sapphire crystal glass
- Appliqués, meticulously attached by hand
- Water-resistant and pressure-resistant to 10 bar
- Low pressure resistant
Silver hands, appliqués, meticulously attached by hand and a black dial with sunburst decoration: it is this stylish arrangement featuring appealing design elements that turn an extraordinary watch into something exceptional. That result in an interplay which creates a highly exquisite and elegant feel.
The 1739 St I S, with a diameter of 39 mm, skilfully incorporates selected elements from previous styles, illustrating a sense of tradition. This is reinforced by the slightly curved, high-quality sapphire crystal. Such details define and characterise the overall appearance of this magnificent watch.

Technical details
Self-winding mechanism
25 bearing jewels
28,800 semi-oscillations per hour
Anti-magnetic as per DIN 8309
The information on the mechanical movement corresponds to the current production situation in Frankfurt am Main. Due to technical changes, it may happen in individual cases that stock items of our sales partners deviate from this information.
Sapphire crystal glass in front, anti-reflective on both sides
Transparent case back made of sapphire crystal glass, anti-reflective on the interior
Case back screw-fastened
Meet the technical requirements for water-resistance, as set out in standard DIN 8310
Water-resistant and pressure-resistant to 10 bar
Low pressure resistant
Minutes
Band lug width: 20 mm
Case thickness: 9.1 mm
Weight without strap: 52 gramme
Appliqués, meticulously attached by hand
Rhodium-plated hands and appliqués