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

(Reserved for u/vohms) Omega Speedmaster Moonwatch White Dial

Omega - Speedmaster Moonwatch · $7,800

This Omega Speedmaster Moonwatch features a white dial, and comes with its full set of accessories, including boxes, papers, warranty card, pictogram card, Master Chronometer card, and extra links.

Condition: Overall mint condition
Set included: 2025 full set
Extra links: 1

Posted at

Apr 23, 2026, 12:06 AM

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Omega Speedmaster “From the Moon to Mars” 3577.50.00

Omega - 3577.50.00 · $6,299

A unique twist on the classic Omega Speedmaster Moonwatch, featuring a manual-wind movement and subdials representing Earth, the Moon, and Mars.

Condition: Excellent, original condition
Case size: 42mm diameter
Movement: Manual wind (Cal. 1861)
Crystal: Hesalite

Posted at

Apr 22, 2026, 10:36 PM

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🚀🌗Brand New 2026 Full Set - Omega Speedmaster Moonphase Reference: 304.30.44.52.01.001 🚀🌗

Omega - 304.30.44.52.01.001 · $11,750

The Omega Speedmaster Moonphase is a brand new, full set model from 2026.

Condition: Brand New
Msrp: 13000
Shipping: fully insured to nearest FedEx Office for signature pickup

Posted at

Apr 22, 2026, 10:30 PM

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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

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2026 Omega Speedmaster Moonwatch Professional 42mm Steel 310.30.42.50.01.001 Full Set

Omega - 310.30.42.50.01.001 · $6,050

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

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2023 OMEGA SPEEDMASTER PROFESSIONAL 310.30.42.50.01.002 $6499

OMEGA - 310.30.42.50.01.002 · $6,499

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

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2021 OMEGA SPEEDMASTER PROFESSIONAL 310.30.42.50.01.002

OMEGA - 310.30.42.50.01.002 · $5,799

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

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

Omega - 310.30.42.50.01.002 · $6,000

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

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