Omega Speedmaster Speedmaster Professional Moonphase Broad Arrow Stainless Steel / Ivory

Reference 3875.20.37

Omega Speedmaster Professional Moonphase Broad Arrow Stainless Steel / Ivory

About this watch

The Omega Speedmaster Professional Moonphase Broad Arrow is a remarkable timepiece that embodies the spirit of exploration and sophistication. With its exquisite design, robust functionality, and storied history, it stands as a testament to Omega's commitment to excellence. This watch is not just about looks; its chronograph functionality allows you to measure elapsed time with precision. Whether you’re timing a race or just keeping track of your cooking, the sub-dials are intuitive and easy to read. One of the most charming features of the Speedmaster Moonphase is its moonphase display. This complication shows the current phase of the moon, which is both beautiful and practical for those who enjoy stargazing or simply want to keep track of the lunar cycle. Its blend of aesthetics, functionality, and heritage makes it a worthy addition to any collection. With a water resistance of up to 50 meters, this watch can handle splashes and brief immersion. The Omega Speedmaster Professional Moonphase Broad Arrow is more than just a watch; it's a celebration of time, heritage, and innovation.

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Key Features

Omega caliber 1866 hand-wound chronograph movement
42mm stainless steel case with sapphire crystal
Ivory dial with stick and dot indexes and arrow hands
Tachymeter bezel for precise speed calculations
Water resistance up to 50 meters
Chronograph functionality with sub-dials
Moonphase display at 12 o'clock

Specifications

Brand

Omega

Family

Speedmaster

Model

Speedmaster Professional Moonphase Broad Arrow Stainless Steel / Ivory

Reference

3875.20.37

Movement

1866

Movement Features

Hours, Minutes, Small Seconds
Date
Chronograph
Moonphase

Case

42mm

Dial Color

Ivory

Crystal

Sapphire

Water Resistance

Current Listings

Omega Speedmaster 3520.53 Box, Manual, Card - $2,850

Omega - 3520.53 · $2,850

Up for sale is my Omega Speedmaster 3520.53 Full Kit, measuring 39mm with an automatic movement and a steel case on an original Omega Steel bracelet.

Condition: good condition with usage marks and some patina
Size: 39mm diameter
Case material: steel
Bracelet size range: fits up to 7 inch wrists with extra links available

Posted at

Jan 1, 2026, 8:33 PM

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Omega Speedmaster “Ed White” Cal. 321 Tropical Dial Heavy Patina (Serviced)

Omega - 105.003-65 · $10,995

This Omega Speedmaster Ed White Ref. 105.003-65 is a historic variant with a stunning brown tropical dial and matching tritium hands. It's one of the most collectible Speedmasters among enthusiasts due to its unique features and significance in Omega's history.

Condition: Very good condition, with signs of previous polish
Size: 39mm diameter
Year: 1965
Movement serviced: Yes, professionally serviced in July 2023

Posted at

Jan 1, 2026, 7:41 PM

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Omega Speedmaster Pro Moon Watch 3570.50 W/1498/840 Bracelet (Watch Only) $3800

OMEGA - 3570.50 · $3,800

This Omega Speedmaster Pro Moon Watch is being sold in pre-owned condition, with some marks on the hesalite crystal.

Condition: PRE-OWNED
Case size: 42MM
Box: NO
Card/papers: NO

Posted at

Jan 1, 2026, 7:11 PM

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Omega Speedmaster Professional 42mm “Sapphire Sandwich” 310.30.42.50.01.002 - 11/2025 Complete Set

Omega - 310.30.42.50.01.002 · $7,350

This is a brand new Omega Speedmaster Professional 'Sapphire Sandwich' 42mm watch, coming with a complete set including the watch itself, 11/2025 card, triple-boxed packaging, serial tag, manual, and Master Chronometer certification.

Condition: Like New
Case size: 42mm
Depth rating: 30m
Service history: Unknown

Posted at

Jan 1, 2026, 3:14 PM

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[WTS] 2025 Omega Speedmaster Professional “Sapphire Sandwich” Moonwatch – Latest Model, MINT OPEN BOX CONDITION – Ref. 310.30.42.50.01.002 – COMPLETE SET – USA Warranty thru Aug 2030 – $6,900 FIRM net + 🏷️ within CONUS ($9000 MSRP)

2025 Omega Speedmaster Professional “Sapphire Sandwich” Moonwatch – Latest Model, MINT OPEN BOX CONDITION – Ref. 310.30.42.50.01.002 – COMPLETE SET – USA Warranty thru Aug 2030 – $6,900 FIRM net + 🏷️ within CONUS ($9000 MSRP)

Omega - 310.30.42.50.01.002 · $6,900

The Omega Speedmaster Professional 'Sapphire Sandwich' Moonwatch is the latest generation with a Master Chronometer movement.

Condition: Mint open box condition, worn twice
Movement: Omega 3861 Master Chronometer
Crystal: sapphire crystal front and exhibition sapphire caseback
Case Size: 42mm diameter

Posted at

Jan 1, 2026, 2:35 PM

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Omega Speedmaster Reduced 3510.50 – Papers & extra Uncle Seiko bracelet

Omega - 3510.50 · $2,800

Up for sale is my Omega Speedmaster Reduced ref. 3510.50, a classic automatic Speedmaster in great overall condition.

Condition: Very good, with normal light wear consistent with use
Case size: 39mm diameter
Movement: Automatic chronograph
Year: 2005

Posted at

Jan 1, 2026, 12:09 PM

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[EU] Omega Speedmaster Professional 145.022

Omega - 145.022 · $1,250

This Omega Speedmaster Professional is a pre-owned watch in poor condition. The hesalite crystal is badly scratched, and the case and strap are worn out. The chronograph function is not working.

Condition: Bad
Service history: No service history
Chronograph buttons: Bottom button presses in, top button does not press in
Movement untouched: Minimum 40-50 years since last opened

Posted at

Jan 1, 2026, 6:56 AM

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Omega Speedmaster Professional Moonwatch Full Steel 145.022-69 Ghost Bezel Yellow Patina Step Dial 1969 (Serviced) 🔥

Omega - 145.022-69 · $5,425

A classic 1969 Omega Speedmaster Moonwatch featuring the step dial and flat case back, presenting beautifully in full steel with a warm yellow patina and grey 'ghost' bezel.

Condition: Serviced, lightly polished case with original step dial and tritium lume
Size: 42mm
Year: 1969
Movement serviced: true

Posted at

Jan 1, 2026, 3:18 AM

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