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Sinn 857 UTC on Steel Bracelet SIN 238
  • BandSteel Bracelet
  • Case MaterialSteel
  • ConditionBrand New
  • MovementAutomatic
 

Sinn 857 UTC on Steel Bracelet

The 857 UTC series pilot's watches unite all of Sinn's core watchmaking competencies: these are instrument watches with a consistently functional design which honour the tradition of Sinn's navigation cockpit clocks.

The features include Magnetic Field Protection of up to 80,000 A/m, Ar-Dehumidifying Technology and pressure resistance of up to 20 bar. The pilot's bezel and the second time zone on a 24-hour basis make these watches perfect, all-purpose instruments.

The stainless steel pilot's bezel with minute ratcheting can be rotated on both sides and features a special mechanical system developed by Sinn to protect against loss. Like the case material, the base of the bezel is tempered with TEGIMENT Technology. The labelling is silver on an inset, black anodised aluminium ring to ensure optimal scale readability. A luminous triangle serves as the 0/60 minute mark. The rotating pilots bezel can be turned in both directions and clicks firmly and audibly into place at minute intervals.

 

Mechanical Movement
ETA 2893-2
Self-winding mechanism
21 bearing jewels
28,800 semi-oscillations per hour
Seconds stop function
Shock resistant as per DIN ISO 1413
Anti-magnetic as per DIN 8309

 

Case
Case made of stainless steel, bead-blasted
Sapphire crystal glass in front, anti-reflective on both sides
Case back screw-fastened, nickel-free
Crown screwable
Meet the technical requirements for waterproofness, as set out in standard DIN 8310
Pressure-resistant up to 20 bar
Low pressure resistant

 

Functions
Hours, minutes, seconds
Second time zone on a 24-hour basis
Date display
Pilot’s bezel with minute ratcheting and luminous key mark

 

SINN Technologies
TEGIMENT Technology, therefore especially scratch-resistant
Captive bezel
Ar-Dehumidifying Technology enhances functional reliability and freedom from fogging
Magnetic Field Protection up to 80,000 A/m

 

Dimensions and Weight
Case diameter: 43 mm
Band lug width: 22 mm
Case thickness: 12 mm
Weight without strap: 90 gramme

 

Dial and Hands
Matte black dial
Numbers and indices coated with luminescent colour
Hour and minute hand coated with luminescent colour

 

Warranty
3 years

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Sinn 857 UTC on Steel Bracelet - SIN 238
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