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.
Buy Now on Jomashop
This is an affiliate link

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 - Dark Side of the Moon Vintage Edition - RARE

Omega Speedmaster - Dark Side of the Moon Vintage Edition - RARE

A rare Omega Speedmaster Dark Side of the Moon Vintage Edition with a black ceramic case and coaxial movement.

  • Condition: Nearly perfect
  • Case Diameter: 44mm
  • Lug To Lug Length: 49mm
  • Watch Weight: 99 grams
Posted at
Feb 15, 2026, 10:50 AM
Active
[WTS] Omega Speedmaster Date 3513.50

Omega Speedmaster Date 3513.50

Omega - 3513.50 · $1,850
A neo-vintage automatic chronograph with classic Speedmaster looks, powered by the Omega caliber 1152, and offering a perfect balance between sporty and dressy styles.

  • Condition: Very good overall condition
  • Movement: Omega caliber 1152 (ETA 7750-based)
  • Case Material: Stainless steel
  • Bezel Material: Stainless steel
Posted at
Feb 14, 2026, 8:33 PM
Active
[WTS] Omega Speedmaster Professional - Sapphire - AD B&P/Receipt - 3861

Omega Speedmaster Professional - Sapphire - AD B&P/Receipt - 3861

The listing appears to be for an Omega Speedmaster Professional Sapphire, a high-end watch model.

Posted at
Feb 14, 2026, 7:19 PM
Active
[WTS] Omega Speedmaster w/ white gloss lacquer dial [ Ref. 310.30.42.50.04.001 ]

Omega Speedmaster w/ white gloss lacquer dial [ Ref. 310.30.42.50.04.001 ]

Up for sale is this Omega Speedmaster Moonwatch Professional with the white gloss lacquer dial, a full set including the Omega box and warranty card dated 2024.

  • Condition: Great pre-owned condition
  • Material: metal
Posted at
Feb 14, 2026, 1:09 PM
Active
[WTS] Omega Speedmaster Reverse Panda dial [ Ref. 310.30.42.50.01.004 ]

Omega Speedmaster Reverse Panda dial [ Ref. 310.30.42.50.01.004 ]

Omega - 310.30.42.50.01.004 · $10,600
Up for sale is this Omega Speedmaster Moonwatch Professional with the reverse panda dial. It comes as a full set, including the Omega box and other accessories.

  • Condition: Mint condition, worn a handful of times
  • Included Accessories: Omega box, outer box, warranty card, Chronometer card, hangtag, user manual, booklet
  • Location: Carlsbad, CA
Posted at
Feb 14, 2026, 12:28 PM
Active
[WTS] Omega Speedmaster Grey Side Of The Moon - GSOTM - Grey Dial - 44mm - 311.93.44.51.99.001

Omega Speedmaster Grey Side Of The Moon - GSOTM - Grey Dial - 44mm - 311.93.44.51.99.001

Omega Speedmaster Grey Side Of The Moon watch features a grey dial and 44mm case.

  • Condition: Great, with a small chip on the case back
  • Case size: 44mm diameter
  • Materials: Titanium ceramic
Posted at
Feb 14, 2026, 11:59 AM
Active
[WTS] 20mm Omega Speedmaster Bracelet 1499 / 842 – Production (1996–1998)

20mm Omega Speedmaster Bracelet 1499 / 842 – Production (1996–1998)

A 20mm Omega Speedmaster bracelet with 842 end links, known for its high-quality build and taper.

  • Production period: 1996-1998
Posted at
Feb 14, 2026, 4:33 AM
Active
[WTS] OMEGA Speedmaster "Silver Snoopy Award" 50th Bracelet 310.32.42.50.02.001 $14000

OMEGA Speedmaster "Silver Snoopy Award" 50th Bracelet 310.32.42.50.02.001 $14000

OMEGA - 310.32.42.50.02.001 · $14,000
This is a limited-edition Omega Speedmaster 'Silver Snoopy Award' 50th Anniversary Series watch that pays tribute to OMEGA's contributions to space exploration. It features a unique caseback and comes with various accessories.

  • Condition: Very good, with no noticeable markings on the crystal or bezel
  • Case Size: 42mm
  • Bracelet Type: stainless steel
  • Straps Included: nylon strap,stainless bracelet
Posted at
Feb 13, 2026, 6:43 PM
Active