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 Professional Moonwatch – Ref. 145.0022 / 345.0022 – Hesalite – Circa 2005 – Very Clean

Omega Speedmaster Professional Moonwatch – Ref. 145.0022 / 345.0022 – Hesalite – Circa 2005 – Very Clean

This is a full-size 42mm manual-wind Moonwatch in very clean pre-owned condition with Hesalite crystal and strong movement.

  • Condition: Very clean pre-owned condition
  • Movement Type: Manual wind - Caliber 1861
  • Crystal Material: Hesalite
  • Bracelet Type: Stainless steel
Posted at
Dec 2, 2025, 6:16 PM
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[WTS] OMEGA Speedmaster Hesalite 3861 May 2023 - $5600

OMEGA Speedmaster Hesalite 3861 May 2023 - $5600

OMEGA - 3861 · $5,600
This Omega Speedmaster Professional, also known as The Moonwatch, features a Hesalite crystal and is from May 2023. It comes with its original box, papers, and manual in excellent condition.

  • Condition: Excellent
  • Year Of Manufacture: 2023
  • Crystal Material: Hesalite
  • Bracelet Adjustment: micro adjust
Posted at
Dec 2, 2025, 2:58 PM
Active
[WTS] November 2025 Omega Speedmaster Sapphire Complete Set *$7,200 + label*

November 2025 Omega Speedmaster Sapphire Complete Set *$7,200 + label*

The watch is a November 2025 Omega Speedmaster Sapphire Complete Set with micro-adjust clasp, featuring all cards included, travel case, and Speedmaster literature.

  • Condition: Brand new, fully stickered and unworn
  • Year: November 2025
  • Micro-adjust clasp: available
  • State: Louisiana
Posted at
Dec 2, 2025, 11:11 AM
Active
[WTS] Omega Speedmaster Professional “Tokyo 2020 Yellow” – Ref. 522.20.42.30.01.001 – Complete Set – $6500

Omega Speedmaster Professional “Tokyo 2020 Yellow” – Ref. 522.20.42.30.01.001 – Complete Set – $6500

This Omega Speedmaster Professional features a 42mm stainless steel case with yellow gold accents and black dial with gold subdials, powered by the classic hand-wound Caliber 1861 movement. It comes with various accessories as part of its complete set.

  • Condition: Very good pre-owned
  • Case diameter: 42mm
  • Bracelet type: stainless steel
  • Movement: hand-wound Caliber 1861
Posted at
Dec 1, 2025, 8:50 PM
Active
[WTS] Omega OEM Speedmaster Moonwatch Professional Black Fabric Strap & Omega OEM Deployant Clasp

Omega OEM Speedmaster Moonwatch Professional Black Fabric Strap & Omega OEM Deployant Clasp

This Omega Speedmaster Moonwatch Professional features a black fabric strap, stainless steel deployant clasp, and comes with original packaging.

  • Condition: As New
  • Strap material: black fabric
  • Clasp type: Omega OEM Stainless Steel Deployant/16mm
  • Lug width: 20mm
Posted at
Dec 1, 2025, 5:05 PM
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[WTS] Omega 20mm OEM Integrated Speedmaster Moonwatch Professional Black Rubber Strap (Sold Out) & Omega OEM Deployant Clasp

Omega 20mm OEM Integrated Speedmaster Moonwatch Professional Black Rubber Strap (Sold Out) & Omega OEM Deployant Clasp

Omega - 032Z017245 · $575
A black rubber strap for the Omega Speedmaster Professional, featuring curved ends and a 20mm width. It is no longer available at Omega AD or online.

  • Strap Ref: 032Z017245 (Black Rubber, curved ends, 20mm/16mm)
  • Clasp Ref: 94521633 (Omega OEM Stainless Steel Deployant/16mm)
  • Fitment: Speedmaster Professional (20mm lug)
Posted at
Dec 1, 2025, 4:48 PM
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[WTS][US] Omega Speedmaster Broad Arrow - White Dial - 42mm - 3551.20.00 - Full Set

[US] Omega Speedmaster Broad Arrow - White Dial - 42mm - 3551.20.00 - Full Set

Omega - 3551.20.00 · $4,250
This Omega Speedmaster Broad Arrow features a white dial, 42mm case size, and comes as a full set including the watch, box, both manual, and triple cards.

  • Condition: Fantastic condition with only minor hairlines
  • Case diameter: 42mm
  • Bracelet condition: minor hairlines
Posted at
Dec 1, 2025, 8:25 AM
Active
[WTS] 2025 OMEGA SPEEDMASTER WHITE DIAL, LIKE NEW FULL SET $7,350 USD + shipping

2025 OMEGA SPEEDMASTER WHITE DIAL, LIKE NEW FULL SET $7,350 USD + shipping

OMEGA - 2025 · $7,350
The Omega Speedmaster White Dial 2025 features a clean white dial, sapphire crystal, and classic stainless steel case and bracelet.

  • Condition: Like new
  • Year: 2025
  • Case material: stainless steel
  • Bracelet material: stainless steel
Posted at
Nov 30, 2025, 6:11 PM
Active
[WTS] Omega Speedmaster Professional Moonwatch Tropical Brown Dial Heavy Patina Blue Insert 1969 (Serviced) 🟤

Omega Speedmaster Professional Moonwatch Tropical Brown Dial Heavy Patina Blue Insert 1969 (Serviced) 🟤

Omega - 145.022-69 · $15,150
This is a 1969 Omega Speedmaster Moonwatch with a tropical brown dial featuring a deep, even transformation with heavy yellow patina across all indices and matching hands. The watch has been professionally serviced and runs properly.

  • Condition: Beautiful condition
  • Size: 42mm diameter
  • Year: 1969
  • Case back: Flat case back
Posted at
Nov 30, 2025, 4:23 PM
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