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Longines Master Collection Chrono Moonphase

Longines Master Collection Chrono Moonphase

AutomaticSteel

Ref. L2.673.4.78.6

Collection: Master Collection ChronographCase size: 40mmMovement: L687.5

The Longines Master Collection Chrono Moonphase, reference L2.673.4.78.6, is a chronograph with a 40 mm round case in steel. The watch has a moon phase display, a weekday display and a month display. The case measures 14.3 mm thick and 46.7 mm lug-to-lug, with water resistance rated to 30 metres. Self-winding calibre L687.5 provides up to 66 hours of power reserve and is visible through a transparent case back. A scratch-resistant sapphire crystal covers the dial. The silver barleycorn dial has painted Arabic numerals and blued steel hands. A steel bracelet closes with a triple safety folding clasp and a push-piece opening mechanism. The dial includes a date display and small seconds.

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Last updated 8 Oct 2026Suggest a correction

TECHNICAL SPECIFICATIONS

GENERAL

Gender

Men

CASE

Diameter

40mm

Thickness

14.3mm

Lug to Lug

46.7mm

Lug Width

21mm

Case Material

Steel

Water Resistance

30m

Crystal

Sapphire Crystal

MOVEMENT

Movement Type

Automatic

Caliber

L687.5

Power Reserve

66h

Frequency

28,800 vph (4 Hz)

DIAL

Dial Color

Silver

Numerals

Arabic Numerals

BRACELET/STRAP

Bracelet/Strap

Steel

Clasp Type

Fold Clasp

FEATURES & COMPLICATIONS

ChronographDateDisplay backMonthMoon phaseSmall secondsTempered blue handsWeekday

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