Omega Speedmaster Speedmaster Professional Moonwatch Moon Flag

Reference 3574.50.00

About this watch

The Omega Speedmaster Professional Moonwatch Moon Flag is a limited-release model that stands out in the vast universe of horology. With its bold design and rich history, it's no wonder that this watch has become a coveted piece for enthusiasts and collectors alike. The black dial, with its striking tachymetric scale, is not just a feast for the eyes but also incredibly practical for measuring speed. Crafted from stainless steel, this timepiece is designed to withstand the rigors of both everyday wear and extraordinary adventures. The Omega caliber 1861 hand-wound movement is a true marvel, known for its reliability and precision. With 18 jewels and a power reserve of 48 hours, it's designed to keep you on time. The chronograph function allows you to measure elapsed time with precision, making it easy to track your timing needs. The watch strikes a balance between presence and wearability, measuring 42 mm in diameter and featuring a stainless steel bracelet that complements its aesthetic while adding to its durability. What truly elevates the Omega Speedmaster Professional Moon Flag is its place in history - as part of the Speedmaster family, it carries the legacy of being the first watch worn on the moon.
Buy Now on Jomashop
This is an affiliate link

Key Features

  • Limited edition with only one unit available
  • Omega caliber 1861 hand-wound movement with 18 jewels and 48-hour power reserve
  • Chronograph function for precise elapsed time measurement
  • Stainless steel case and bracelet
  • 42 mm diameter and 20 mm lug width
  • 50 meter water resistance
  • Plexi glass crystal
  • Tachymeter bezel

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster Professional Moonwatch Moon Flag
Reference
3574.50.00
Movement
1861
Movement Features
  • Small Seconds, Hours, Minutes
  • Chronograph
Case
Stainless Steel 42mm
Dial Color
Black
Crystal
Plexi
Water Resistance
50

Current Listings

[WTS] OMEGA SPEEDMASTER DATE 3513.50 WITH PAPERS

OMEGA SPEEDMASTER DATE 3513.50 WITH PAPERS

Omega - 3513.50 · $1,750
A lightly worn Omega Speedmaster Date with a dated card, extra link, and no box.

  • Condition: lightly worn
  • Diameter: 40mm
Posted at
Apr 22, 2026, 8:47 PM
Active
[WTS] 2026 Omega Speedmaster Moonwatch Professional 42mm Steel 310.30.42.50.01.001 Full Set

2026 Omega Speedmaster Moonwatch Professional 42mm Steel 310.30.42.50.01.001 Full Set

2026 Omega Speedmaster Moonwatch Professional, a stainless steel manual wind watch with black dial and hesalite crystal.

  • Condition: Excellent preowned condition with some light scratches.
  • Case dimensions: 42mm
  • Movement type: Manual Wind, Mechanical
Posted at
Apr 22, 2026, 7:54 PM
Active
[wts] 2023 OMEGA SPEEDMASTER PROFESSIONAL
310.30.42.50.01.002


$6499

2023 OMEGA SPEEDMASTER PROFESSIONAL 310.30.42.50.01.002 $6499

2023 OMEGA SPEEDMASTER PROFESSIONAL with manual wind movement and sapphire crystal. Features a 42mm case size and 50 hour power reserve.

  • Condition: Pre owned, cosmetic condition 9/10
  • Case size: 42mm diameter
  • Bracelet: tapered stainless steel with micro adjustments
  • Movement: manual wind 3861
Posted at
Apr 22, 2026, 7:15 PM
Active
[WTS] 2021 OMEGA SPEEDMASTER PROFESSIONAL
310.30.42.50.01.002

2021 OMEGA SPEEDMASTER PROFESSIONAL 310.30.42.50.01.002

2021 OMEGA SPEEDMASTER PROFESSIONAL features a manual wind movement, 50 hour power reserve, and 42mm case size. It also comes with a sapphire crystal and 50 meters water resistance.

  • Condition: Pre owned, cosmetic condition 7/10
  • Case size: 42mm diameter
  • Bracelet material: tapered stainless steel
  • Movement: manual wind 3861
Posted at
Apr 22, 2026, 6:32 PM
Active
[WTS] Omega Speedmaster Professional "Sapphire Sandwich" (Ref. 310.30.42.50.01.002)/Full set

Omega Speedmaster Professional "Sapphire Sandwich" (Ref. 310.30.42.50.01.002)/Full set

This Omega Speedmaster Professional, also known as the Sapphire Sandwich, is a manual-wind watch with a Master Chronometer movement and features a stunning Caliber 3861 movement visible through an exhibition caseback.

  • Condition: pristine
  • Purchase Price: 9000
  • Dimensions: 42mm diameter, 20mm lug width
  • Bracelet Type: tapered
Posted at
Apr 22, 2026, 3:53 PM
Active
[WTS] 3510.50 Omega Reduced Speedmaster Excellent vintage condition with original warranty card Serviced recently

3510.50 Omega Reduced Speedmaster Excellent vintage condition with original warranty card Serviced recently

Omega - 3510.50 · $3,300
This is a 26-year-old Omega Reduced Speedmaster in excellent vintage condition, with original warranty card and recently serviced movement.

  • Condition: Excellent vintage condition
  • Warranty card: Original warranty card included
  • Movement serviced: Recently serviced movement
Posted at
Apr 22, 2026, 1:49 PM
Active
[WTS] Omega Speedmaster Professional 🌘 Moonwatch 🌒 Sapphire Sandwich LNIB 9/25

Omega Speedmaster Professional 🌘 Moonwatch 🌒 Sapphire Sandwich LNIB 9/25

A Omega Speedmaster Professional in like new condition with a sapphire sandwich case and reference number 310.30.42.50.01.002.

  • Condition: Like new
  • Missing items: outer box, user's manual, Moonwatch booklet, outer pillow
Posted at
Apr 22, 2026, 11:58 AM
Active
[WTS] Omega Speedmaster Professional Reverse New Apr 2026, $10.2k

Omega Speedmaster Professional Reverse New Apr 2026, $10.2k

Omega - 310.30.42.50.01.004 · $10,200
This Omega Speedmaster Professional Reverse is a brand new watch with a reference number of 310.30.42.50.01.004, coming with its original box and April 2026 warranty.

  • Condition: Brand New
  • Shipping cost: $200 for USA shipping
  • Payment methods: Wire or Credit Card (+4.9% and 4 days clearance)
  • Warranty: Apr 2026 warranty
Posted at
Apr 22, 2026, 9:55 AM
Active