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  • 157 St Ty

    The pilot's chronograph.

    157 St Ty
  • 157 St Ty
  • 157 St Ty

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Product number: 157.020 PDF

157 St Ty

This model is no longer available in our current collection.
157 St Ty
Special characteristics
  • Case made of stainless steel, bead-blasted
  • Tachymeter and pulsometer scale
  • Sapphire crystal glass
  • 24-hour display
  • Pressure-resistant to 20 bar
  • Low pressure resistant

Technical details

Lemania 5100
Self-winding mechanism
17 bearing jewels
28,800 semi-oscillations per hour
Seconds stop function
Shock resistant as per DIN ISO 1413
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.

Case made of stainless steel, bead-blasted
Sapphire crystal glass in front, anti-reflective on the interior
Case back screw-fastened
Crown screwable
Meet the technical requirements for waterproofness, as set out in standard DIN 8310
Pressure-resistant up to 20 bar
Low pressure resistant
Hours, minutes, subsidiary seconds
Date display
Day of the week display
Chronograph
24-hour display
Tachymeter / Pulsometer scale
Case diameter: 40 mm
Band lug width: 20 mm
Case thickness: 15 mm
Weight without strap: 86 gramme
Matte black dial
Indices coated with luminescent paint tritium
Hour and minute coated with luminescent paint tritium
24-hour-hand with with luminescent paint tritium
Chronograph function with daylight luminous paint