Jaeger LeCoultre Master Ultra-Thin Perpetual Calendar 39mm

PRODUCT DESCRIPTION

Polished stainless steel case.
Black dial with a fine sunray finish.
Slightly stepped-down black sub-dials.
Applied polished index hour markers.
Polished hands.
Perpetual calendar features:
Automatically calculates the day, date, month, year and phase of the moon correctly until March 1st 2100, the movement requires a correction only once every 122 years.
Day of the week sub-dial located at the 9 o'clock position.
Date of the month of the week sub-dial located at the 3 o'clock position.
Month sub-dial located at the 6 o'clock position.
Current year indicated via a window displayed between the 7 and 8 o'clock position.
Moon phase window located beneath the 12 o'clock position.
Small window with red/white indicator located right above the center of the dial - this is a safety feature indicating when it is a safe time to set the perpetual calendar.
While the window is in the white zone it is safe to set the perpetual calendar, however if the window displays red (between 9pm and 3am) then the perpetual calendar may not be set.
Jaeger LeCoultre caliber 868/1, beats at 28,800 vph, composed out of 336 parts, contains 46 jewels and has an approximate power reserve of 43 hours.
The completely assembled watch undergoes a rigorous 1000 hours test before the watch ships from the factory!

Jaeger LeCoultre