Jaeger-LeCoultre Master Ultra Thin Réserve de Marche Stainless Steel / Silver / Alligator Ref. 1378420

The Jaeger-LeCoultre Master Ultra Thin Réserve de Marche Stainless Steel / Silver / Alligator 1378420 has a 39 mm stainless steel case, measures 9.9 mm thick, and is water resistant to 50 metres.

Pure lines and a perfectly balanced dial create a beautiful stage-setting for one of the most emblematic mechanical complications. Two classic complications – a power-reserve indication and a pointer-type date display – are elegantly associated in this model: A sapphire crystal caseback reveals its automatic Calibre 938.

Diameter: 39 mm
Thickness: 9.9 mm
Water resistance: 50 m
Case: Stainless Steel
Movement: Jaeger-LeCoultre caliber 938

Specifications

Case and dimensions

Case diameter: 39 mm
Thickness: 9.9 mm
Case shape: Round
Case material: Stainless Steel
Bezel: Gem-Set
Crystal: Sapphire
Case back: Open
Water resistance: 50 m

Dial

Dial colour: Silver
Finish: Sunburst
Indexes: Stick / Dot
Hands: Dauphine

Movement

Calibre: Jaeger-LeCoultre caliber 938
Movement maker: Jaeger-LeCoultre
Movement type: Automatic
Display: Analog
Power reserve: 40 h
Frequency: 28800 vph
Jewels: 41
Complications: Date, Hours, Minutes, Power Reserve Indicator and Small Seconds