Master Ultra Thin Réserve de Marche Stainless Steel / Silver / Alligator

Reference Q1378421 (aka: 1378421)

Reference only — not currently in stock

The Jaeger-LeCoultre Master Ultra Thin Power Reserve Q1378421 debuted in . This elegant stainless steel dress watch features a 39 mm case with polished and satin-finished surfaces, framing a silvered sunray dial. Refined elements include elongated hour markers, dauphine hands, and three recessed opaline subdials for the power reserve, date, and small seconds functions—each laid out in a symmetrical and harmonious arrangement. Inside ticks the automatic caliber 938, developed and manufactured in-house by Jaeger-LeCoultre. With a silicon escapement and a single barrel, it delivers a 70-hour power reserve. The Q1378421 is paired with a light brown leather strap fitted with a stainless steel double folding clasp.

Brand

Jaeger-LeCoultre

Model

Master Ultra Thin Réserve de Marche Stainless Steel / Silver / Alligator

Reference

Q1378421 (aka: 1378421)

Category

Master Ultra Thin

Movement

Jaeger-LeCoultre caliber 938 Hours, Minutes, Small Seconds | Date | Power Reserve Indicator

Case material

Stainless Steel

Case diameter

39 mm

Dial color

Silver

Crystal

Sapphire

Case back

Open

Water resistance

50 m

Lugs

21

Complications

Date