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] 2024 Omega Speedmaster “First Omega in Space”  310.30.40.50.06.001 – Full Set – $6,450 Shipped

2024 Omega Speedmaster “First Omega in Space” 310.30.40.50.06.001 – Full Set – $6,450 Shipped

A modern reissue of the Speedmaster worn by Wally Schirra during the Sigma 7 mission, featuring a slim 39.7mm case with Master Chronometer technology.

  • Condition: Excellent
  • Case Size: 39.7mm
  • Water Resistance: 50m
  • Movement: Manual-wind chronograph (Omega Caliber 3861, Master Chronometer)
Posted at
Jan 14, 2026, 3:28 PM
Active
[WTS] OMEGA Speedmaster Professional - Sapphire Sandwhich ( White Dial ) 310.30.42.50.04.001 $7,700 plus label

OMEGA Speedmaster Professional - Sapphire Sandwhich ( White Dial ) 310.30.42.50.04.001 $7,700 plus label

Speedmaster Professional with a White Dial and Sapphire Sandwhich case.

Posted at
Jan 14, 2026, 2:09 PM
Active
[WTS] Omega Speedmaster professional Oem rubber strap & deployant $525 shipped

Omega Speedmaster professional Oem rubber strap & deployant $525 shipped

This Omega Speedmaster professional watch is being sold to make room for the sale of a rubber strap and deployant, which are also included.

  • Condition: Good
  • Strap type: Rubber strap
  • Deployment buckle type: Deployant
Posted at
Jan 14, 2026, 1:38 PM
Active

2022 Omega Speedmaster Moonwatch Sapphire 42mm 310.30.42.50.01.002 Mint Complete

This 2022 Omega Speedmaster Moonwatch Sapphire 42mm is a first watch worn on the moon, featuring photos and a video on the seller's website.

  • Condition: Minty fresh
  • Case size: 42mm
  • Year: 2022
  • Contents: watch,inner & outer boxes,warranty card,pictogram,master chronometer,instruction booklet,black travel case,hang tag,cleaning cloth,Moonwatch Booklet
Posted at
Apr 7, 2025, 2:59 PM
Active
Omega Speedmaster Chronograph  - Blue - Stainless Steel - 38mm - Mint

Omega Speedmaster Chronograph - Blue - Stainless Steel - 38mm - Mint

This Omega Speedmaster Chronograph features a 38mm stainless steel case, blue dial, and automatic movement.

  • Condition: Pre-Owned - Mint
  • Case size: 38mm diameter
  • Bracelet type: Stainless Steel
  • Dial color: Blue
Posted at
Apr 5, 2025, 6:13 PM
Active
Omega Speedmaster 321 Ed White

Omega Speedmaster 321 Ed White

This Omega Speedmaster 321 Ed White is an original purchase from a US OB in 2023, worn sparingly since.

  • Condition: Good condition with minor scuffs
  • Warranty: includes warranty cards
  • Links: all links included
Posted at
Apr 4, 2025, 6:34 PM
Active
2023 Omega Speedmaster �SNOOPY� 50th Anniversary 310.32.42.50.02.001 BOXES/PAPER

2023 Omega Speedmaster �SNOOPY� 50th Anniversary 310.32.42.50.02.001 BOXES/PAPER

Omega - 310.32.42.50.02.001 · $16,200
This is a 2023 Omega Speedmaster �SNOOPY� 50th Anniversary model, one of the most exclusive pieces in the watch world. It features a stainless steel case with a silver dial and comes with an OEM Omega stainless steel bracelet.

  • Condition: Excellent pre-owned
  • Case diameter: 42mm
  • Water resistance: 50m depth rating
  • Movement type: Manual
Posted at
Apr 4, 2025, 3:06 PM
Active
Omega Speedmaster Moonwatch Sapphire - 3861 - 310.30.42.50.01.002 (new / 2025)

Omega Speedmaster Moonwatch Sapphire - 3861 - 310.30.42.50.01.002 (new / 2025)

This Omega Speedmaster Moonwatch Professional features a 42mm stainless steel case and is powered by the 3861 Omega Master Chronometer Movement.

  • Condition: Brand new
  • Case size: 42mm
  • Movement type: 3861 Omega Master Chronometer
Posted at
Apr 4, 2025, 2:52 PM
Active
Omega Speedmaster Moonwatch Hesalite - 3861 - 310.30.42.50.01.001 (new / 2025)

Omega Speedmaster Moonwatch Hesalite - 3861 - 310.30.42.50.01.001 (new / 2025)

A brand new Omega Speedmaster Moonwatch Professional Hesalite with a stainless steel case and 3861 Omega Master Chronometer movement.

  • Condition: Brand new
  • Case size: 42mm diameter
  • Movement: Omega Master Chronometer
Posted at
Apr 4, 2025, 2:52 PM
Active