Omega Speedmaster Speedmaster Professional Missions Gemini XII

Reference 3597.10.00

About this watch

The Omega Speedmaster Professional Missions Gemini XII stands out as a beacon of excellence in the world of luxury watches. This limited edition timepiece, produced between 1997 and 1998, is a tribute to NASA's Gemini program and features a stunning design that whispers elegance without being loud. The sleek stainless steel case, black dial with stick indexes and dot markers, and tachymeter bezel all contribute to its timeless appeal. Powered by the Omega caliber 1861 movement, a hand-wound chronograph known for its reliability and precision, this watch is suitable for both everyday wear and special occasions. With only 200 units made, owning an Omega Speedmaster Gemini XII is like holding a piece of horological history. Its historical significance adds a layer of intrigue that few other watches can match, making it a must-have for collectors, space enthusiasts, and those who appreciate the finer things in life.

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Key Features

Limited edition of 200 units
Omega caliber 1861 hand-wound chronograph movement
42mm diameter stainless steel case
Black dial with stick indexes and dot markers
Tachymeter bezel for measuring speed
Water resistance of 50 meters
20mm lug width for versatility

Specifications

Brand

Omega

Family

Speedmaster

Model

Speedmaster Professional Missions Gemini XII

Reference

3597.10.00

Movement

1861

Movement Features

Small Seconds, Hours, Minutes
Chronograph

Case

Stainless Steel 42mm

Dial Color

Black

Crystal

Plexi

Water Resistance

Current Listings

Omega Speedmaster Grey Side of The Moon 311.93.44.51.99.002 Mint 2025

Omega - 311.93.44.51.99.002 · $7,995

This Omega Speedmaster Grey Side of The Moon is for sale in a very mint condition with no flaws and comes as a fully complete set.

Condition: Mint condition
Warranty Card Date: April 2025
Shipping Method: WW insured shipping

Posted at

Apr 21, 2026, 12:44 PM

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Omega Speedmaster '57 - current gen - warranty till Apr 2027 (price reduced)

Omega - 332.10.41.51.01.001 · $5,799

Up for sale is my April 29, 2022 dated Omega Speedmaster '57, current generation, with warranty till Apr 2027.

Condition: Pre-owned, very good condition with minor scratches and marks
Dimensions: 40mm diameter
Bracelet length: 17cm

Posted at

Apr 21, 2026, 9:31 AM

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Omega Speedmaster Professional Moonwatch ST 145.022-69 (1972)

Omega - ST 145.022-69 · $5,000

A 1972 Omega Speedmaster Professional Moonwatch with a manual wind Cal. 861 movement, 42mm stainless steel case, and black dial with three registers.

Condition: some scratches on the bezel and crystal, some marks on the case
Movement: Cal. 861
Case size: 42mm diameter
Water resistance: 30m depth rating

Posted at

Apr 21, 2026, 12:22 AM

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🐼NEW 2026 OMEGA SPEEDMASTER REVERSE PANDA

Omega - Speedmaster

No description provided.

Condition: new
Year: 2026

Posted at

Apr 20, 2026, 11:39 PM

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Omega Speedmaster Pro “Moon to Mars” Edition

Omega - 3577.50 · $6,500

The Omega Speedmaster Pro 'Moon to Mars' Edition features a beautiful dial with subdials painted as Earth, Moon and Mars.

Condition: Good, with a scratch on the crystal at 1 o'clock
Bracelet size: 7 inches
Movement: 1861 manual
Size: 42mm diameter

Posted at

Apr 20, 2026, 10:37 PM

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Omega Speedmaster Moonwatch Professional 42mm 310.30.42.50.01.002 | 2025 Complete Set

Omega - 310.30.42.50.01.002 · $6,950

The Omega Speedmaster Moonwatch Professional is a 42mm watch with an unknown service history.

Condition: Great Pre-Owned
Links: 24 Links
Warranty Years Remaining: 1 year (2025)

Posted at

Apr 20, 2026, 9:59 PM

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Omega Speedmaster. Mother of pearl dial. 39mm. Automatic.

Omega · $2,100

A 39mm automatic Omega Speedmaster with a mother of pearl dial and OEM omega strap.

Case size: 39mm
Movement type: Automatic

Posted at

Apr 20, 2026, 7:37 PM

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Omega Speedmaster Hesalite (ref. 3103042500100)

Omega - 3103042500100 · $5,350

A recently serviced Omega Speedmaster Professional Moonwatch with a newer 3861 movement, featuring Hesalite crystal. The watch comes with full set, including warranty card, pictograms, master chronometer certification, and extra links.

Condition: Very good, some small marks on the case and desk diving marks on the clasp
Movement: 3861, newer
Set included: full set, warranty card dated January 2021, pictograms, master chronometer certification, extra links

Posted at

Apr 20, 2026, 7:12 PM

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[US] Omega Speedmaster Moonwatch Professional - Reverse Panda - 42mm - 310.30.42.50.01.004 - Full Set - BRAND NEW

Omega - 310.30.42.50.01.004 · $10,850

This Omega Speedmaster Moonwatch Professional is a 42mm Reverse Panda model available as a full set, complete with all original accessories.

Condition: Brand new, unworn, and in pristine condition
Case Size: 42mm
Set Contents: Watch,Box (inner & outer),Travel case,Historical booklet,User manual,Microfiber cloth,Master chronometer card,Warranty card

Posted at

Apr 20, 2026, 6:44 PM

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