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 reduced 3511.50, perfectly functional, no box and papers, 2100$

Omega - 3511.50 · $2,100

A 39mm Omega Speedmaster Reduced 'reverse panda' with a 1-year warranty from an Italian shop.

Condition: Perfectly functional
Case size: 39mm
Wrist size: 18cm maximum

Posted at

May 14, 2026, 1:43 PM

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2023 Omega Speedmaster Moonphase Blue Side of the Moon 304.93.44.52.03.001 Full Set - $9,395

Omega - 304.93.44.52.03.001 · $9,395

The Omega Speedmaster Moonwatch - Blue Side of the Moon is a 2023 model, featuring a moonphase display and a blue dial.

Condition: Excellent condition with minimal signs of wear
Year: 2023
Contents: Watch, Inner & Outer Box, Card Holder, International Warranty Card, Pictograms Card, Master Chronometer Card, Instructions Manual
Shipping: Fully insured in the USA through Fedex

Posted at

May 14, 2026, 12:58 PM

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2020 Omega Speedmaster Moonphase Black 304.30.44.52.01.001 Full Set - $7,995

Omega - 304.30.44.52.01.001 · $7,995

Up for sale is a Omega Speedmaster Moonphase Black, a watch that features the moon phase function, and it's in excellent condition.

Condition: Excellent condition with minimal signs of wear
Year: 2020
Contents: Watch, Inner & Outer Box, Card Holder, International Warranty Card, Pictograms Card, Master Chronometer Card, Instructions Manual

Posted at

May 14, 2026, 12:51 PM

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Omega Speedmaster Reduced 3510.50 Bracelet Set - 22 Links, Full size, 94/100 Condition, OEM 1469/811

Omega - 3510.50 · $549

A full-size Omega Speedmaster Reduced bracelet set in excellent condition, featuring a stainless steel finish and an original Omega folding clasp.

Condition: Excellent vintage condition (94/100)
Model compatibility: Omega Speedmaster Reduced 3510.50
Bracelet reference: 1469
Endlinks reference: 811 (pair included)

Posted at

May 14, 2026, 8:54 AM

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OMEGA Speedmaster 311.63.44.51.06.001 Dark Side of the Moon Matte Grey w/Box and cards

OMEGA - 311.63.44.51.06.001 · $11,000

This Omega Speedmaster Dark Side of the Moon Sedna Gold Accent features a laser ablated matte grey dial, ceramic case, and black leather strap. It comes as a complete set with warranty and pictogram card.

Condition: Good
Case material: Ceramic
Diameter: 44mm
Strap type: Black leather with deployment clasp

Posted at

May 14, 2026, 7:08 AM

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Omega Speedmaster Triple Calendar Day-Date Ref.3221.30.00 40mm | Great Condition (With Box & Serviced) | $2285

Omega - 3221.30.00 · $2,285

The Omega Speedmaster Triple Calendar Day-Date Ref.3221.30.00 is a 40mm stainless steel watch with a thickness of around 15mm and water resistance up to 100m. It features a silver dial with chronograph registers, day, date, month, and GMT indications.

Condition: Great serviced condition
Case size: 40mm
Thickness: around 15mm
Water resistance: 100m

Posted at

May 13, 2026, 11:47 PM

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Omega Speedmaster Date

Omega - 3212.80 · $1,999

A beautiful blue Omega Speedy Date in overall good condition.

Condition: Good condition with normal wear on the case and bracelet, scratches on the aluminum bezel.
Movement: Cal 1164
Size: 40mm diameter

Posted at

May 13, 2026, 10:04 PM

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Two Tone Omega Speedmaster Moonphase 🍫

Omega - 304.23.44.52.13.001 · $8,500

A chocolate Omega Speedy Moonphase two tone (steel & Sedna gold) is up for sale, featuring a Cal 9904 movement and coming on its original strap. The watch is in overall very good condition.

Condition: very good condition with some normal wear
Movement: Cal 9904
Size: 44mm diameter

Posted at

May 13, 2026, 10:00 PM

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