Jaeger-LeCoultre Duoplan HERITAGE WONDERS: CALIBER 101 – 18K Yellow Gold & Diamonds

– Extra details;
Movement manual-wind JLC extraordinary caliber 101 (serviced)
Material 18k solid yellow gold.
Case size 8 x 22 mm
Case thickness 6 mm
Diamonds JLC set round cut, VVS1.
Condition sublime for the age of approx 1934.

– Included in the delivery;
Certification official replacement value.
Original JLC replacement box.

The following discription is about the history of CALIBER 101.

JLC 101 (also called “Calibre 2 ligne”) is a highly compact watch movement from Jaeger-LeCoultre.

Introduced in 1929, the JLC 101 is still used today and retains its title as the world’s slight mechanical watch movement. It is legendary for its compact dimensions, Just 14 mm long, 4.8 mm wide, and 3.4 mm high, and weighs just 1 gram. Jaeger-LeCoultre is limited to making just 50 Calibre 101 movements each year due to the custom parts and special skills required.

The JLC 101 produced in two versions
JLC 101/4
JLC 101/4SQ

It is a hand-wound movement made of 98 pieces designed for highly compact applications. It runs at 21600 mph, has 19 jewels, and has a power reserve of 33 hours.

APPLICATIONS
Jaeger-LeCoultre currently uses this caliber in 3 watches.
Jaeger-LeCoultre Joaillerie 101 Résille
Jaeger-LeCoultre Joaillerie 101 Feuille
Jaeger-LeCoultre Grande Reverso 101 Art Déco (JLC 101/4SQ)

EXTRA
Reflecting On The Jaeger-LeCoultre Calibre 101 Movement — World’s Smallest
Jaeger-LeCoultre Calibre 101 Smallest Mechanical Watch Movement In The World Turns 80
Manufacturer:
Jaeger-LeCoultre
Description:
Hand-winding movement
98 components
Functions:
Hour/minute
Data:
L 14 mm, W 4.8 mm, H 3.4 mm
19 jewels
21600 A/h
Power reserve 33 Hours
Production period:
1929-present