Perpetual Calendar | 8-Day | Desk Clock strap who produced the first Oyster

who produced the first Oyster bracelets for Rolex

with the minute hand jumping from 60 to 0

with superficial marks throughout consistent with normal wear

They used the Lemania 8810 as their ébauche

which matches the one displayed on the dial

Perpetual Calendar | 8-Day | Desk Clock strap who produced the first OysterA silver, 8 Day perpetual calendar desk clock (No. 4536), manufactured by Breguet in 1931. Widely attributed as one of the first to develop a functioning perpetual calendar watch, Breguets long standing association with the complication dates back to the late 18th century. Its one of the more sophisticated and charming high complications, accounting for the long and short months, when calculating day and date (including February 29th, in leap years).