CHRONOMETRIC INSTRUMENTS

Were used up to 1963. These are mechanical like a watch. Very fragile and beautiful. The needle often goes up in small shocks and leaps and it will not pop back to zero when you park the bike.... This is normal!!! Many Chronometrics have been "repaired" to death by hamfisted mechanics. So a good or repairable one is rare and expensive. 

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BULBHOLDER

TEL5
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Chrome plated bulbholder assy, screw in for Chronometric speedos and tachos. Takes small bayonet bulb. (Not included)

CHRONOMETRIC SCREW ON BEZEL

TEL7
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Fits Smith's Chronometric (the mechanical) speedos.
Threaded inside
Good replica, chrome plated.

TRIP CABLE CHRONOMETRIC

TEL3
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CHRONOMETRIC TACHO FACE

RC1307/00
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Aluminium plate.
Clockwise 4:1
1-10

BEZEL CHRONOMETRIC COWL FITTING

TEL179
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It has an mounting external lip for the BSA nacelle rubber.
Chrome plated. British Made