Available NEW at Chronomaster from £2445.00

Sinn Modell NaBo 56/8 SIN 61
  • ConditionBrand New
  • MovementAutomatic
 

Sinn Modell NaBo 56/8 – 8 Day Navigational Board Clock

Sinn navigational board clock. This is genuine navigational board instrument which can be fitted to aircraft. Indeed it has been known to have been fitted in private and professional aircraft in it’s current format and it’s previous formats. Naturally, this clock can be used for this very purpose or it can be mounted and used as a desk clock. It is made to professional standards and has a movement commonly used in aircraft instruments.

 

This is the hand wound Revue Thommen B17. It is a 17 jewelled Swiss made hand wound movement operating at 18,000 bph. It is an 8 day movement so only needs winding up once per week. The case is matte black galvanised aluminium. The clock has got a 12 hour chronograph. The twelve hour elapsed timer is in the sub dial at the 12 position. It also has a one hour elapsed timer which is the central hand with the arrow tip.

 

The sixty second elapsed timer is the other central second hand which is a sweep second hand. It also features an internal rotating bezel which is operated by the engine turned knurled button at the bottom right. The chronograph is started, stopped and reset by the button on the top right. The movement is wound up by the engine turned knurled button at the bottom left. It is an attractive and functional looking clock, suitable for professional use or as a desk clock if mounted.

 

The weight is 200 grams. The width is 57.5 mm across and the same top to bottom. It is 38.5 mm deep. 

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