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
50

Current Listings

[WTS] Omega Speedmaster Michael Schumacher 39mm (previously ebay authenticated with card) naked watch, have box not original box

Omega Speedmaster Michael Schumacher 39mm (previously ebay authenticated with card) naked watch, have box not original box

This Omega Speedmaster Michael Schumacher edition is a naked watch without its original box. It has been eBay authenticated and comes with the authentication card.

Posted at
Oct 26, 2025, 9:54 PM
Active
[WTS] Omega Speedmaster Professional White 42MM - Ref 310.30.42.50.04.001 - 04/25

Omega Speedmaster Professional White 42MM - Ref 310.30.42.50.04.001 - 04/25

Omega - 310.30.42.50.04.001 · $6,800
A 42MM Omega Speedmaster Professional White, a popular and highly sought-after model known for its reliability and style.

  • Condition: preowned in fantastic condition
  • Case size: 42mm
Posted at
Oct 26, 2025, 6:16 PM
Active
[WTS] Omega Speedmaster FOIS 40mm Numbered Edition – Excellent Condition, New Lincoln Bracelet, Professional Ed White Mod, Box + Warranty Card

Omega Speedmaster FOIS 40mm Numbered Edition – Excellent Condition, New Lincoln Bracelet, Professional Ed White Mod, Box + Warranty Card

Omega - FOIS · $4,250
Up for sale is my Numbered Editon Omega Speedmaster FOIS (First Omega in Space) in very good condition, featuring a professionally installed Ed White–style mod that gives it a beautifully vintage, classic Speedmaster look.

  • Condition: Excellent overall with light, honest wear
  • Bracelet: Uncle Seiko Lincoln bracelet, 6.75 inches long with extra links
  • Case Size: 40mm diameter
Posted at
Oct 26, 2025, 2:51 PM
Active
[WTS] Omega Speedmaster Moonphase

Omega Speedmaster Moonphase

Omega - 3575.20 · $5,225
Up for sale is an Omega Speedmaster Moonphase ref. 3575.20 in excellent condition! Very minimal signs of wear, runs great and includes full kit.

  • Condition: Excellent
  • Shipping restrictions: CONUS only
Posted at
Oct 26, 2025, 2:01 PM
Active
[WTS] 2023 Omega Speedmaster Moonwatch Professional | 310.30.42.50.01.002 | Complete | Sapphire Sandwich | Speedy | Micro-adjust Clasp

2023 Omega Speedmaster Moonwatch Professional | 310.30.42.50.01.002 | Complete | Sapphire Sandwich | Speedy | Micro-adjust Clasp

Omega - 310.30.42.50.01.002 · $6,417
A gorgeous watch highlighted by the two sapphire crystals, and makes for arguably the perfect daily; comfortable, simple, and practical.

  • Condition: Excellent
  • Reference type: Professional
  • Crystal material: Sapphire
  • Movement: Calibre GA
Posted at
Oct 26, 2025, 12:26 PM
Active