SINN Model 206 St Ar

The 206 St Ar is historically linked to the 203 St and 203 Ti Ar, in which Ar Dehumidifying Technology was first used in 1995.

Optimum readability is ensured by a black dial, which also gives the watch a mechanical and instrumental look. To remain as true to the original of the 203 St as possible in other respects, the brand has also kept the screw push-piece look. Thanks to the D3-System, however, screwable push-pieces are no longer required in the 206 St Ar. This makes the chronograph functions easily accessible and easy to operate.

Model 206 St Ar therefore represents a contemporary take on the traditional 203 series, which is reflected in a new diameter of 43 mm rather than 41 mm.

Technical details

Movement
Valjoux 7750
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, polished / satinized
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
Crown screwable
Meet the technical requirements for waterproofness, as set out in standard DIN 8310
Pressure-resistant up to 300 m diving depth (= 30 bar), certified by DNV GL
According to the technical demands for the diving norm DIN 8306
Tested based on European diving equipment standards EN 250 / EN14143 and certified by DNV GL
Low pressure resistant

Functions
Hours, minutes, subsidiary seconds
Date display
Day of the week display
Chronograph
Diver’s bezel with minute ratcheting and luminous key mark

SINN Technologies
Ar-Dehumidifying Technology enhances functional reliability and freedom from fogging
Push-pieces with D3-System
Captive bezel

Dimensions and Weight
Case diameter: 43 mm
Band lug width: 22 mm
Case thickness: 17 mm
Weight without strap: 95 gramme

Dial and Hands
Electroplated black dial
Indices coated with luminescent colour
Hour, minute and second hand coated with luminescent colour

Warranty
3 years

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