Omega Speedmaster Speedmaster Professional Missions Gemini VI

Reference 3597.04.00

About this watch

The Omega Speedmaster Professional Missions Gemini VI is a masterpiece of luxury watchmaking. This limited edition timepiece celebrates the Gemini VI space mission with its striking black dial and stainless steel case measuring 42mm in diameter. The plexi glass adds a vintage charm, while the tachymeter bezel offers a sporty touch. At the heart of this watch lies the Omega caliber 1861, a hand-wound chronograph movement renowned for its reliability and precision. With a power reserve of 48 hours and a frequency of 21,600 vibrations per hour, it keeps time admirably. The small seconds, hours, and minutes hands offer a traditional analog display that harkens back to the original Speedmaster models. The Omega Speedmaster Professional Missions Gemini VI is not just a watch; it's a piece of history, a testament to Omega's dedication to quality and innovation.

Buy Now on Jomashop

This is an affiliate link

Key Features

Omega caliber 1861 movement
42mm stainless steel case
Plexi glass with vintage charm
Tachymeter bezel for measuring speed
Limited edition of 200 units
50m water resistance
Traditional analog display

Specifications

Brand

Omega

Family

Speedmaster

Model

Speedmaster Professional Missions Gemini VI

Reference

3597.04.00

Movement

1861

Movement Features

Small Seconds, Hours, Minutes
Chronograph

Case

Stainless Steel 42mm

Dial Color

Black

Crystal

Plexi

Water Resistance

Current Listings

2022 Omega Speedmaster Moonwatch 42mm 310.30.42.50.01.001 Black Dial - $6,050

A 2022 Omega Speedmaster Moonwatch Chronograph in stainless steel with a black dial, featuring a Hesalite crystal and a 5-year manufacturer warranty.

Posted at

Feb 11, 2026, 1:49 PM

Active

View listing on r/WatchExchange

Omega Speedmaster Professional Moonwatch Full Steel Yellow Patina Original Step Tritium Dial (Unpolished)

Omega - 145.022-69 · $5,235

This Omega Speedmaster Professional Moonwatch reference 145.022-69 is a strong example of this highly regarded reference. The watch features a black tritium step dial with warm yellow patina and matching tritium hands.

Condition: All-original, unpolished condition with excellent overall definition and moderate stretch in the bracelet
Case size: 42mm
Year: 1969
Movement service date: February 2026

Posted at

Feb 11, 2026, 12:50 PM

Active

View listing on r/WatchExchange

2019 Omega Speedmaster Reduced 3510.50.00

Omega - 3510.50.00

2019 Omega Speedmaster Reduced with outer box, inner box, warranty card, and manual. The watch is in very good condition and retail ready.

Condition: Very Good
Year: 2019
Box Status: Retail Ready
Case Size: 39mm

Posted at

Feb 10, 2026, 10:30 PM

Active

View listing on r/WatchExchange

2024 Omega Speedmaster Professional Ref 310.30.42.50.04.001 | Complete set | Excellent condition

Omega - 310.30.42.50.04.001 · $7,689

Selling a 2024 Omega Speedmaster Professional in excellent condition, with original box and accessories, suitable for daily wear or as a collector's piece.

Condition: Excellent / Very Good
Box And Outer Packaging: Original
Warranty Card Booklets: Omega warranty card & booklets
Tags: Included

Posted at

Feb 10, 2026, 10:03 PM

Active

View listing on r/WatchExchange

Omega Speedmaster White Dial Co-Axial Chronograph 44.25mm – Ref. 329.30.44.51.04.001 – $5,249 Shipped

Omega - 329.30.44.51.04.001 · $5,249

The Omega Speedmaster Chronograph Co-Axial Master Chronometer features a 44.25mm stainless steel case, white dial, ceramic tachymeter bezel, and sapphire crystal with exhibition caseback. Powered by Omega's in-house Co-Axial Master Chronometer Caliber 9900.

Condition: Light surface wear, hairlines consistent with normal use; no deep dents or structural damage visible.
Case size: 44.25mm
Crystal type: Sapphire crystal with exhibition caseback
Movement: Omega's in-house Co-Axial Master Chronometer Caliber 9900, METAS certified

Posted at

Feb 10, 2026, 9:31 PM

Active

View listing on r/WatchExchange

🔥2026 OMEGA SPEEDMASTER SAPPHIRE SANDWICH BRAND NEW COMPLETE!!🔥

OMEGA - 310.30.42.50.01.002 · $7,450

This brand new Omega Speedmaster Sapphire Sandwich features a beautiful black dial and stainless steel case, measuring 42mm in diameter.

Condition: BRAND NEW/UNWORN
Case Size: 42mm diameter
Material: Stainless Steel

Posted at

Feb 10, 2026, 5:39 PM

Active

View listing on r/WatchExchange

Omega Speedmaster Professional Moonwatch Hesalire Cal 1861 - Big Box Full Set 2021

Omega - 311.30.42.30.01.005 · $4,650

The Omega Speedmaster Professional Moonwatch features a Lemania based caliber 1861 movement in a hesalite dome paired with a luminova dial. The watch is accompanied by the Big Box set including an inner travel box, outer protective one, loupe, two nato straps, medallion and loupe.

Condition: pre-owned with clean movement, light signs of use and scratches on the clasp
Movement: caliber 1861
Bracelet size: 42 x 20mm
Case material: hesalite

Posted at

Feb 10, 2026, 3:52 PM

Active

View listing on r/WatchExchange