Omega Speedmaster Speedmaster Professional Missions Gemini VIII

Reference 3597.06.00

About this watch

The Omega Speedmaster Professional Missions Gemini VIII is a stunning testament to Omega’s craftsmanship and the spirit of exploration. This limited-edition masterpiece embodies precision, pays homage to space exploration, and features a quintessentially Speedmaster design with a round case, black dial, and tachymeter bezel. The watch's stainless steel construction gives it a sturdy feel while still being lightweight, making it suitable for both casual and formal settings. At the heart of the Gemini VIII is the Omega caliber 1861, a hand-wound movement renowned for its accuracy and reliability. With a chronograph function, small seconds, hours, and minutes hands, this watch allows you to measure elapsed time with ease. Its limited production of just 200 units makes it not only a timekeeping instrument but also a piece of history. The Omega Speedmaster Professional Missions Gemini VIII is a collector’s item that offers something truly special – a celebration of history, engineering, and style.
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Key Features

  • Omega Caliber 1861 hand-wound movement
  • Chronograph function with small seconds, hours, and minutes hands
  • Limited edition of 200 units
  • Stainless steel construction for a sturdy feel
  • Plexiglass glass for vintage charm
  • Tachymeter bezel for measuring speed over fixed distance
  • Water resistance up to 50 meters

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster Professional Missions Gemini VIII
Reference
3597.06.00
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 Broad Arrow 1957 321.10.42.50.01.001 Full Set

Omega Speedmaster Broad Arrow 1957 321.10.42.50.01.001 Full Set

A modern tribute to the legendary original Speedmaster design, this Omega Speedmaster Broad Arrow 1957 features a black dial and classic Speedmaster styling with a modern 42 mm case for everyday wearability.

  • Condition: Excellent
  • Case size: 42 mm diameter
  • Set: Full set (watch, box, papers, and accessories as originally supplied)
Posted at
Feb 15, 2026, 4:21 PM
Active
[WTS] Omega Speedmaster Hesalite 310.30.42.50.01.001 $5,750 Full Set

Omega Speedmaster Hesalite 310.30.42.50.01.001 $5,750 Full Set

This Omega Speedmaster Hesalite is an iconic watch under $10k, available with all original accessories.

  • Condition: Excellent preowned condition
  • Shipping: Fully insured shipping included in price
Posted at
Feb 15, 2026, 3:47 PM
Active
[WTS] Omega Speedmaster Black Dial 3513.50 Date

Omega Speedmaster Black Dial 3513.50 Date

Omega - 3513.50.00 · $1,700
A 39mm Omega Speedmaster Date with a black dial, recently serviced and polished.

  • Condition: 100% authentic Omega, recently serviced and polished
  • Case Diameter: 39mm
  • Cosmetic Condition Glass: flawless
  • Cosmetic Condition Case: no damage
Posted at
Feb 15, 2026, 3:17 PM
Active
[WTS] Omega 2023 Speedmaster Professional

Omega 2023 Speedmaster Professional

Additional Details: I’m selling my Omega Speedmaster Professional because I finally got my 321 Speedmaster. Watch is a 9/10 in shape.

  • Condition: 9/10 in shape
  • Material: full set
Posted at
Feb 15, 2026, 2:44 PM
Active
[WTS] Omega Speedmaster CK2998 Limited Edition “Blue Panda” - Full Set - 311.33.40.30.02.001 - Price Reduced!

Omega Speedmaster CK2998 Limited Edition “Blue Panda” - Full Set - 311.33.40.30.02.001 - Price Reduced!

This Omega Speedmaster CK2998 'Blue Panda' is a modern classic with a striking design and features a manual winding OMEGA calibre 1861 movement.

  • Condition: Excellent condition, barely worn
  • Case size: 40mm
  • Movement: Manual winding OMEGA calibre 1861
Posted at
Feb 15, 2026, 1:52 PM
Active
[WTS] 🚀 ‼️Omega Speedmaster Mk40 (Ref. 3520.50)‼️ 🚀

🚀 ‼️Omega Speedmaster Mk40 (Ref. 3520.50)‼️ 🚀

Omega - 3520.50 · $2,899
A masterclass in packaging, the Omega Speedmaster Mk40 (Ref. 3520.50) features a 12-hour chronograph, 24-hour indicator, and full calendar in a case that wears better than standard 42mm Professional models.

  • Condition: Good condition with honest wear. Small concentration of tiny pin marks on the left side of the case.
  • Case Wear: left side
  • Diameter: 39mm
  • Lug To Lug: 44.5mm
Posted at
Feb 15, 2026, 1:38 PM
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[WTS] BNIB Omega Speedmaster Professional White Dial

BNIB Omega Speedmaster Professional White Dial

The Omega Speedmaster Professional features a white dial and is powered by the Master Chronometer Omega Cal. 3861 movement.

  • Condition: 10/10 condition, perfect
  • Msrp: $8,700
  • Movement: Master Chronometer Omega Cal. 3861
  • Case size: 42mm
Posted at
Feb 15, 2026, 1:31 PM
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[WTS] Omega Speedmaster Reduced Schumacher 2700$

Omega Speedmaster Reduced Schumacher 2700$

Omega - 3510.12 · $2,700
The Omega Speedmaster Reduced features a striking yellow dial and a 39mm case, one of the most wearable Speedmaster sizes.

  • Condition: nice condition with no noticeable wear signs
  • Case size: 39mm
  • Movement: automatic
Posted at
Feb 15, 2026, 12:25 PM
Active
[WTS] Omega Speedmaster Moonwatch Professional, 42 mm, latest version with 3861 movement Ref. 310.30.42.50.01.001

Omega Speedmaster Moonwatch Professional, 42 mm, latest version with 3861 movement Ref. 310.30.42.50.01.001

This Omega Speedmaster Moonwatch Professional features a 42mm diameter steel case, hesalite crystal, and manual-winding caliber Omega 3861 movement.

  • Condition: Preowned, great shape with slight wear on bracelet and hesalite crystal
  • Case diameter: 42mm
  • Water resistance: 50m depth rating
  • Movement type: Manual-winding
Posted at
Feb 15, 2026, 12:17 PM
Active