Available NEW at Chronomaster from £3325.00

Sinn 900 Flieger GMT Chronograph 900 SIN 78a
  • Thickness16mm & 9.5mm
  • BandLeather Strap
  • Case MaterialSteel
  • ConditionBrand New
  • MovementAutomatic

Sinn 900 Flieger GMT Chronograph

The 900 flieger along with the multi function and the 958 Fulda challenge is Sinn’s most technical watch yet. It is a most impressive and technical looking with many practical uses as it has a plethora of functions and features. As well as it having technical features, the movement itself is also very technical, Swiss made Seletta automatic.


The movement is a mechanical lever movement with self-winding mechanism, 25 jewels and 28.800 vibrations per hour refined working parts including blued screws and decorated rotor, it is antimagnetic according to DIN 8309 and shock resistance according to DIN 8308. The time setting has stopping mechanism for accurate time setting, quick adjustment of date, metering range of chronograph is 12 hours and of course split seconds mechanism.


The dial display functions and features include, luminous hands and indices, hours, minutes, seconds, date indication at 3 position, sweep seconds, 30-minute recorder, 12-hour recorder, second time zone hand and 24 hour scale used for independent second time zone, 60-minute scale, pilots rotating bezel with minute division – this is an internal rotating 24 bezel operated by the crown at the 10 position (which is also used with the second time zone hand).


I this an argon filled case whci is an inert gas and has no moisture thus preserving the integrity of the movement. The case back has an imperial to metric conversion chart laser printed in it. These include Temperature: Degree of Celsius in degrees of Fahrenheit, fuel consumption: Liter/100 km into miles by gallon (mpg), speed: Kilometer per hour into miles by hour (mph), kDruck: MPa in Kilos pound by square inch (ksi), tire pressure: bar in pound by square inch (psi) as well as the speed indices for passenger car tires.


The case is high grade stainless steel, DIN material number 1,4435, tegiment treated to give a highly durable and robust case harness of 1200 HV (Vickers surface hardness). Internal integrated magnetic field protection up to 80,000 A/m (and/or 100 mT) . Screw down crown, scratch resistant sapphire crystal, integrated pusher protection and water resistant according to DIN 8310, pressure resistant up to 20 bar = approx 200 m water depth. Dimensions are: width is 44 mm excluding the crown, 47 mm including the crown. Lug to lug is 50 mm and thickness is 16 mm. 

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