Sinn - 144 St Sa

The 144 St Sa is made of a compact stainless steel case with sapphire crystal glass in front and back. Other features include a chronograph display with 12-hour counter, jumping 30-minute counter and a stopwatch second hand in the center. All this is complemented by the tachymeter / pulsometer scale and a date display that also shows the weekday.

Mechanical Movement

• Concepto C99001
• Self-winding mechanism
• 25 bearing jewels
• 28,800 semi-oscillations per hour
• Seconds stop function
• Anti-magnetic as per DIN 8309

Case

• Case made of stainless steel, bead-blasted
• Sapphire crystal glass in front, anti-reflective on the interior
• Transparent case back made of sapphire crystal glass, anti-reflective on the interior
• Case back screw-fastened
• Crown screwable
• Meet the technical requirements for waterproofness, as set out in standard DIN 8310
• Waterproof and pressure-resistant to 20 bar
• Low pressure resistant

Functions

• Hours, minutes, subsidiary seconds
• Date display
• Day of the week display
• Chronograph
• Tachymeter / Pulsometer scale

SINN Technologies

• Optional: Ar-Dehumidifying Technology enhances functional reliability and freedom from fogging

Dial and Hands

• Matte black dial
• Indices coated with luminescent colour
• Hour and minute hand coated with luminescent colour

• Case diameter: 41 mm
• Band lug width: 20 mm
• Case thickness: 14.5 mm
• Weight without strap: 90 gramme