"Single Pusher Chronograph Bracelet Watch Edmond Jaeger"
Chronograph watch circa 1905Edmond Jaeger box hallmark
Movement and case back 112867 lugrin caliber middle bezel and case back number 6639 white enamel dial Time setting by push button at 4 o'clock diameter 32 mm
Eagle head box hallmark
At that time Edmond Jaeger had an exclusive contract with Cartier.
The number 6639 therefore corresponding to the Cartier numbering
The oldest chronograph wristwatch to my knowledge.
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