Omega Speedmaster Speedmaster Professional Missions Gemini X

Reference 3597.08.00

Omega Speedmaster Professional Missions Gemini X

About this watch

The Omega Speedmaster 3597.08.00 is a masterclass in luxury watchmaking, blending technical excellence with timeless design. This limited edition timepiece, part of the illustrious Speedmaster family, boasts a sleek black dial and stainless steel case that exudes both robustness and elegance. Powered by the reliable Omega caliber 1861 movement, this hand-wound masterpiece provides excellent performance for daily wear, with a frequency of 21,600 vibrations per hour and a 48-hour power reserve. The chronograph feature is a vital part of its appeal, offering practical functionality for various activities. With only 200 units produced between January 1997 and July 1998, this watch is a rare gem that combines history, craftsmanship, and luxury.
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Key Features

  • Omega caliber 1861 movement
  • Limited edition of 200 units
  • Stainless steel case and bracelet
  • Plexi glass instead of sapphire crystal
  • Chronograph feature with small seconds, hours, and minutes counters
  • Water resistance rating of 50 meters
  • 42mm diameter and 20mm lug width

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster Professional Missions Gemini X
Reference
3597.08.00
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. Reverse Panda. Complete Set. $2099 Only

Omega. Speedmaster. Reverse Panda. Complete Set. $2099 Only

Omega - Speedmaster · $2,099
This Omega Speedmaster is a Reverse Panda model, complete with its original set including warranty, tag, inner and outer box, and two booklets.

  • Condition: 7.75/10 with wear around bezel
  • Bracelet size: 20 links
  • Warranty status: Complete
  • Box condition: Inner and Outer Box, 2 booklets
Posted at
Apr 28, 2026, 8:36 PM
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[WTS] (Omega) Speedmaster Date 3511.50 Full Set $2,099

(Omega) Speedmaster Date 3511.50 Full Set $2,099

Omega - 3511.50 · $2,099
For sale is an Omega Speedmaster Date, reference 3511.50, a reduced variant made for the Japanese market. This automatic watch features a 39mm case and 18mm lugs.

  • Condition: Excellent external condition, running well internally
  • Case size: 39mm diameter
  • Lug-to-lug length: 45mm
  • Thickness: 13.8mm
Posted at
Apr 28, 2026, 8:18 PM
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[WTS] Omega Speedmaster Reduced - Mother of Pearl - White Dial - Factory Strap

Omega Speedmaster Reduced - Mother of Pearl - White Dial - Factory Strap

Omega - Speedmaster Reduced · $2,350
A rare and unique Omega Speedmaster reduced model with a 39mm case, featuring a stunning Mother of Pearl dial.

  • Condition: Good condition for the age
  • Case size: 39mm
  • Strap type: Factory Omega leather strap
Posted at
Apr 28, 2026, 5:37 PM
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[WTS] Omega Speedmaster Racing - 32630405001002

Omega Speedmaster Racing - 32630405001002

Omega - 32630405001002 · $2,999
This Omega Speedmaster Racing is in good condition, having been worn a handful of times. It features desk diving scratches on the clasp.

  • Condition: Pre-owned, minor scratches
  • Scratches location: Clasp
  • Shipping discussion possible: true
Posted at
Apr 28, 2026, 5:06 PM
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[WTS] Omega Speedmaster Moonwatch Hesalite 1861 3570.50.00 ( excellent / 2007 / box and papers )

Omega Speedmaster Moonwatch Hesalite 1861 3570.50.00 ( excellent / 2007 / box and papers )

Omega - 3570.50.00 · $4,750
This Omega Speedmaster Moonwatch Professional Chronograph 1861 is a 42mm stainless steel watch with Hesalite crystal, reference # 3570.50.00.

  • Condition: Excellent condition
  • Case size: 42mm diameter
  • Movement: 1861 Omega Calibre
Posted at
Apr 28, 2026, 1:36 PM
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[WTS] Omega Speedmaster Sapphire New 2026, $7500

Omega Speedmaster Sapphire New 2026, $7500

Omega - 310.30.42.50.01.002 · $7,500
This listing is for a brand new Omega Speedmaster Sapphire, featuring a reference number of 310.30.42.50.01.002 and coming with its original box and warranty.

  • Condition: Brand New Condition
  • Shipping Cost: $150 for USA
  • Payment Methods: Wire or Credit Card (+4.9% & 4 days clearance)
  • Warranty Year: 2026
Posted at
Apr 28, 2026, 10:35 AM
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[WTS] Omega Speedmaster Moonshine Green Dial 2023, $29k+✈️

Omega Speedmaster Moonshine Green Dial 2023, $29k+✈️

Omega - 310.60.42.50.10.001 · $29,000
2023 Omega Speedmaster Moonshine Green Dial, with a layer of aftermarket watch protection film on.

  • Condition: Preowned Condition
Posted at
Apr 28, 2026, 10:31 AM
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[WTS][US] Omega Speedmaster First Omega in Space - FOiS - 310.30.40.50.06.001 - Full Set

[US] Omega Speedmaster First Omega in Space - FOiS - 310.30.40.50.06.001 - Full Set

Omega - 310.30.40.50.06.001 · $7,525
Up for sale is an Omega Speedmaster First Omega in Space - FOiS - Full Set, which functions perfectly mechanically without issue.

  • Condition: Fantastic with few hairlines
  • Case Condition: few hairlines on case, clasp, and bracelet
  • Box Status: Full Set
Posted at
Apr 28, 2026, 8:44 AM
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[WTS] Omega Speedmaster Moonwatch (Reverse Panda) – Full Kit

Omega Speedmaster Moonwatch (Reverse Panda) – Full Kit

Omega - Speedmaster Moonwatch (Reverse Panda) · $10,250
A classic Omega Speedmaster Moonwatch with an updated Co-Axial Master Chronometer movement, available as a full set including box, papers, and cards.

  • Condition: Amazing, slight mark on the case
  • Size: 40mm diameter
  • Movement: Cal. 3861
  • Power reserve: ~50 hours
Posted at
Apr 28, 2026, 1:33 AM
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