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OMEGA Speedmaster Moonphase

OMEGA Speedmaster Moonphase

AutomaticRose Gold

Ref. 304.63.44.52.01.001

Collection: SpeedmasterCase size: 44.25mmMovement: 9905

Omega's Speedmaster Moonphase, reference 304.63.44.52.01.001, is a chronograph with a 44.25 mm case in 18K Sedna gold. The case is 17.05 mm thick and measures 50 mm lug to lug. A scratch-resistant sapphire crystal with anti-reflective treatment on both sides covers the black dial. The movement is the self-winding Co-Axial calibre 9905, a Master Chronometer with a 60 hour power reserve. The case has a display back. The dial adds a moon phase indication, a date and small seconds. Omega rates the case to 100 metres. A black leather strap is fitted to the watch.

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Last updated 5 Oct 2026Suggest a correction

TECHNICAL SPECIFICATIONS

GENERAL

Gender

Men

CASE

Diameter

44.25mm

Thickness

17.05mm

Lug to Lug

50mm

Lug Width

21mm

Case Material

Rose Gold

Water Resistance

100m

Crystal

Sapphire Crystal

Bezel Material

Yellow Gold

MOVEMENT

Movement Type

Automatic

Caliber

9905

DIAL

Dial Color

Black

Numerals

Lines

BRACELET/STRAP

Bracelet/Strap

Leather

Clasp Type

Fold Clasp

Clasp Material

Rose Gold

FEATURES & COMPLICATIONS

ChronographMoon phaseMaster ChronometerChronometerTachymeterDisplay backSmall secondsDate

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