Related Terms — History
Swiss-French horologist who revolutionized watchmaking with innovations like the tourbillon and Breguet spiral
GMT-Master II with black and blue bezel insert, resembling Batman's color palette.
Auction house observation of competitive escalation causing buyers to exceed pre-sale estimates.
Balance wheel made of two different metals to automatically compensate for temperature changes
Auction term for providing minimal provenance documentation on vintage pieces to reduce liability.
Hairspring with specially shaped terminal curve invented by Abraham-Louis Breguet for improved chronometry
Verification process confirming genuine Crown military issuance by examining hallmark placement and stamps.
Case back stamped with broad arrow symbol denoting British or Commonwealth military issue.