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

2007 Omega Speedmaster Date 3210.50 - $2,299

Omega - 3210.50 · $2,299

An Omega Speedmaster Date Chronograph ref. 3210.50 from 2007 in good overall condition, featuring a black dial and stainless steel bracelet.

Condition: Good overall condition, signs of wear
Case size: 40mm diameter
Serial number: 81.6M (circa 2007)
Dial color: Black

Posted at

Jan 25, 2026, 7:16 PM

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Omega Speedmaster Professional Snoopy 50th Anniversary Ref: 310.32.42.50.02.001 BNIB

Omega - 310.32.42.50.02.001 · $12,700

This Omega Speedmaster Snoopy 50th Anniversary watch is a brand new, unworn model with a complete package and extra travel box.

Condition: Brand new, never worn (BNIB)
Case Size: 40mm diameter
Water Resistance: unknown
Warranty: valid until end of 2025

Posted at

Jan 25, 2026, 6:07 PM

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Omega Speedmaster sapphire Sandwich 2021, comes as full set (-2 links) $5,999 shipped

Omega - 310.30.42.50.01.002 · $5,999

Up for sale is a Omega Speedmaster sapphire sandwich from 2021, comes as full set with original inner/outer box and papers.

Condition: Excellent
Year: 2021
Case Size: 42mm
Material: Stainless Steel

Posted at

Jan 25, 2026, 3:52 PM

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Omega Speedmaster "First Omega in Space" (FOIS) 2024 ed. w/ Box & Papers

Omega - 310.30.40.50.06.001 · $7,100

This Omega Speedmaster "First Omega in Space" (FOIS) is the 2024 edition, featuring a ref. 310.30.40.50.06.001 model number.

Condition: very good
Year purchased: 2025
Box and papers included: true

Posted at

Jan 25, 2026, 2:48 PM

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Omega Speedmaster Professional Full Kit w Extras!

Omega - 3861 Hesalite · $5,500

This Omega Speedmaster Professional Moonwatch features a Cal. 3861 Master Chronometer movement and comes with upgrades such as a sapphire display caseback, making it a true Hesalite sandwich.

Condition: Pre-owned with normal wear/use consistent with daily rotation
Caliber: Cal. 3861 (Master Chronometer)
Bracelet adjustment type: tool-less sliding clasp
Caseback material front: Hesalite

Posted at

Jan 25, 2026, 1:30 PM

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Omega "Michael Schumacher" Speedmaster Limited to only 5555.

Omega - 3529.50.00 · $2,200

This limited edition Omega Speedmaster 'Michael Schumacher' chronograph features a stainless steel case, black racing dial, day/date display, tachymetre bezel, and is powered by an automatic movement. Produced in 2003, it measures 39mm in size.

Condition: neat and clean with some marks on the bezel
Case size: 39mm diameter
Bracelet size limit: 7.5 inch wrist
Water resistance: unknown

Posted at

Jan 25, 2026, 8:23 AM

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2025 Omega Speedmaster Racing 44mm - 329.32.44.51.01.001 - Clean!

Omega - 329.32.44.51.01.001 · $6,295

This Omega Speedmaster Racing Co-Axial Master Chronometer Chronograph combines the heritage of the Speedmaster line with bold orange racing accents and the modern Caliber 9900 Master Chronometer movement. It features a factory black micro-perforated leather racing strap with orange rubber lining and an Omega folding deployant clasp.

Condition: barely worn, preowned
Movement: Caliber 9900 Co-Axial Master Chronometer
Power reserve: approximately 60 hours
Strap: factory black micro-perforated leather with orange rubber lining and Omega folding deployant clasp

Posted at

Jan 24, 2026, 9:51 PM

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📣🚨OMEGA Speedmaster "FOIS" 311.32.40.30.01.001 EXCELLENT CONDITION! $4500🚨📣

OMEGA - 311.32.40.30.01.001 · $4,500

This Omega Speedmaster 'First Omega in Space' is a manual wind watch with a 39.7mm case size and Caliber 1861 movement.

Condition: Excellent / like new
Case Size: 39.7mm diameter
Movement Type: Manual wind (Caliber 1861)
Condition Details: Excellent / like new (watch), shows wear on original box

Posted at

Jan 24, 2026, 9:08 PM

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2025 MINT Omega Speedmaster Moonphase Meteorite Dial

Omega - 304.30.43.52.01.001 · $14,189

This Omega Speedmaster Moonphase features a 43mm stainless steel case with a PVD black-coated meteorite plate dial, manual winding chronograph movement, and sapphire crystal exhibition caseback. It is certified by METAS and has a power reserve of approximately 60 hours.

Case Size: 43mm
Case Material: Stainless Steel
Dial: Genuine Meteorite

Posted at

Jan 24, 2026, 7:47 PM

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