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

2023 Steel Bracelet Omega Speedmaster 38MM 324.30.38.50.06.001 Box and Papers

Omega - 324.30.38.50.06.001 · $4,200

This is a 2023 Steel Speedmaster 38MM Grey dial watch with features such as chronometer, date at 6 O'clock, and water resistance up to 100 Meters.

Condition: Excellent
Movement: Omega 3330
Power Reserve: 52 hours
Crystal: Scratch resistant Sapphire Crystal

Posted at

Jan 20, 2026, 11:21 AM

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Omega Speedmaster Automatic Chronograph Date — Ref. 3211.30.00 | Cal. 1164 COSC — $1,999 + Shipping

Omega - 3211.30.00 · $1,999

This listing appears to be for an Omega Speedmaster Automatic Chronograph Date with reference number 3211.30.00, featuring Calibre 1164 and COSC certification.

Posted at

Jan 20, 2026, 8:34 AM

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Omega Speedmaster 3861 Sapphire Sandwich 3861 Quick Adjust Bracelet with extras!

Omega - 3861 · $6,500

A 2022 Omega Speedmaster 3861 on warranty card with extras such as a new quick adjust clasp, old clasp, and extra links for sizing.

Condition: Good condition
Warranty status: On warranty
Bracelet type: Quick adjust clasp
Lugs condition: Show strap change wear

Posted at

Jan 20, 2026, 1:52 AM

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Omega Speedmaster Date 32105000 Full Set

Omega - 3210.50.00 · $2,450

For sale is a Omega Speedmaster Date, reference 3210.50.00, a versatile and highly wearable take on the iconic Speedmaster line.

Condition: Very good overall condition with light, honest wear
Case size: 40mm diameter
Movement: Omega Caliber 1164 automatic chronograph
Functions: Chronograph, running seconds, date at 3 o'clock

Posted at

Jan 20, 2026, 12:25 AM

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🔥OMEGA SPEEDMASTER SAPPHIRE SANDWICH 310.30.42.50.01.002 COMPLETE 1/2026 BRAND NEW/UNWORN🔥

OMEGA - 310.30.42.50.01.002 · $7,500

This is a brand new, unworn Omega Speedmaster Sapphire Sandwich watch with a beautiful black dial and stainless steel case.

Condition: BRAND NEW/UNWORN
Case material: Stainless Steel
Case size: 42mm diameter

Posted at

Jan 19, 2026, 8:20 PM

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Omega Speedmaster. Broadarrow. Automatic. Gorgeous Dial. Blue Hands, Indices. Strong Lume.

Omega - 3551.20 · $3,550

This Omega Speedmaster features a broadarrow dial, automatic movement, and blue hands and indices with strong lume.

Shipping: Fedex with insurance

Posted at

Jan 19, 2026, 7:31 PM

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Omega Speedmaster Pilot 332.10.41.51.01.002

Omega - 332.10.41.51.01.002 · $8,000

The Omega Speedmaster Pilot is a new, unworn watch still in its original packaging with stickers intact.

Year: 2025
Status: new/unworn

Posted at

Jan 19, 2026, 7:16 PM

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2025 Omega Moonwatch Professional Speedmaster Sapphire Sandwich. Full set! Near New! 310.30.42.50.01.002

Omega - 310.30.42.50.01.002 · $6,950

A 2025 Omega Moonwatch Professional Speedmaster Sapphire Sandwich, considered a classic collectors piece with very light hairlines on the clasp. It's been worn only three times and comes with all original packaging.

Condition: Near New
Worn: 3 times
Retail price now: 9k

Posted at

Jan 19, 2026, 1:25 PM

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Omega Speedmaster FOIS Anniversary Edition 310.30.40.50.06.001Box and Papers 2024 Good Condition - $6900 + 🏷️

Omega - 310.30.40.50.06.001 · $6,900

This is the anniversary edition for the First Omega in Space Speedmaster, sharing the performance and DNA of an Omega Speedmaster Professional with the same 3861 movement. The watch features chronograph hands contrasting with the watch hands, making it a beautiful conversation piece.

Condition: Good Condition
Box And Papers: yes
Movement: 3861
Bracelet Links: spare links

Posted at

Jan 19, 2026, 11:23 AM

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