Omega Speedmaster Speedmaster Professional Missions Gemini VI

Reference 3597.04.00

About this watch

The Omega Speedmaster Professional Missions Gemini VI is a masterpiece of luxury watchmaking. This limited edition timepiece celebrates the Gemini VI space mission with its striking black dial and stainless steel case measuring 42mm in diameter. The plexi glass adds a vintage charm, while the tachymeter bezel offers a sporty touch. At the heart of this watch lies the Omega caliber 1861, a hand-wound chronograph movement renowned for its reliability and precision. With a power reserve of 48 hours and a frequency of 21,600 vibrations per hour, it keeps time admirably. The small seconds, hours, and minutes hands offer a traditional analog display that harkens back to the original Speedmaster models. The Omega Speedmaster Professional Missions Gemini VI is not just a watch; it's a piece of history, a testament to Omega's dedication to quality and innovation.
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Key Features

  • Omega caliber 1861 movement
  • 42mm stainless steel case
  • Plexi glass with vintage charm
  • Tachymeter bezel for measuring speed
  • Limited edition of 200 units
  • 50m water resistance
  • Traditional analog display

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster Professional Missions Gemini VI
Reference
3597.04.00
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 Reduced 3523.80.00 – Blue Dial – Full Set + Serialized Tag – Mint – $3,500

Omega Speedmaster Reduced 3523.80.00 – Blue Dial – Full Set + Serialized Tag – Mint – $3,500

Omega - 3523.80.00 · $3,500
This Omega Speedmaster Reduced features a unique blue dial, classic proportions and wearability, making it an excellent alternative for collectors who want something rarer than the standard black-dial Reduced.

  • Condition: Mint
  • Movement: Automatic chronograph
  • Case size: 39mm diameter
  • Dial color: Blue
Posted at
Jan 15, 2026, 10:34 AM
Active
[WTS] 2023 Omega Speedmaster Calibre 321 “Ed White” 311.30.40.30.01.001 — Excellent Condition, Box & Papers

2023 Omega Speedmaster Calibre 321 “Ed White” 311.30.40.30.01.001 — Excellent Condition, Box & Papers

Omega - 311.30.40.30.01.001 · $75,000
This is a 2023 Omega Speedmaster Calibre 321 'Ed White' edition. It features a silver dial with a distinctive design.

  • Condition: Excellent Condition
  • Year: 2023
  • Movement: Calibre 321
Posted at
Jan 15, 2026, 8:21 AM
Active
[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
[WTS] 2023 Omega Speedmaster Moonphase 44.25mm 304.33.44.52.03.001 Blue Dial - Box and Papers

2023 Omega Speedmaster Moonphase 44.25mm 304.33.44.52.03.001 Blue Dial - Box and Papers

This 2023 Omega Speedmaster Moonphase features a 44.25mm blue dial and is in good condition with light signs of wear on the case and clasp.

  • Condition: Good preowned condition
  • Case Size: 44.25mm diameter
  • Warranty: 5 year warranty remaining
Posted at
Jan 14, 2026, 10:53 AM
Active
[WTS] 1989 Omega Speedmaster Automatic 175.0032. Vintage Speedy | Runs well

1989 Omega Speedmaster Automatic 175.0032. Vintage Speedy | Runs well

Omega - 175.0032 · $2,700
A vintage Omega Speedmaster Automatic from 1989, featuring incredible tritium lume patina and a few variations in caseback and bracelet.

  • Condition: Excellent, with honest but light wear
  • Caseback variations: multiple caseback designs available for this reference
  • Bracelet variations: multiple bracelet options available for this reference
Posted at
Jan 14, 2026, 9:56 AM
Active
[WTS] Omega Speedmaster First Omega In Space FOIS 40mm 310.30.40.50.06.001 | 8/2025 Full Set

Omega Speedmaster First Omega In Space FOIS 40mm 310.30.40.50.06.001 | 8/2025 Full Set

This is a 40mm Omega Speedmaster First Omega In Space (FOIS) with a Master Chronometer certification.

  • Condition: Pre-Owned, Great Condition
  • Bezel condition: Clean
  • Crystal condition: Clean
  • Bracelet length: 23 Links
Posted at
Jan 13, 2026, 10:27 PM
Active
[WTS] Omega Speedmaster 38 324.30.38.50.01.001 | 2024 Full Set w/ Extra OEM Strap

Omega Speedmaster 38 324.30.38.50.01.001 | 2024 Full Set w/ Extra OEM Strap

A 2024 Omega Speedmaster 38 with a slight scratching on the anti-reflective coating, available for sale in excellent condition with extra OEM strap and various other accessories.

  • Condition: Pre-Owned | Slight scratching on AR Coating
  • Water resistance: 350 AMP
Posted at
Jan 13, 2026, 10:23 PM
Active