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 Professional Moonwatch Full Steel Yellow Patina Original Step Tritium Dial (Unpolished)

Omega Speedmaster Professional Moonwatch Full Steel Yellow Patina Original Step Tritium Dial (Unpolished)

Omega - 145.022-69 · $5,235
This Omega Speedmaster Professional Moonwatch reference 145.022-69 is a strong example of this highly regarded reference. The watch features a black tritium step dial with warm yellow patina and matching tritium hands.

  • Condition: All-original, unpolished condition with excellent overall definition and moderate stretch in the bracelet
  • Case size: 42mm
  • Year: 1969
  • Movement service date: February 2026
Posted at
Feb 11, 2026, 12:50 PM
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[WTS] 2019 Omega Speedmaster Reduced 3510.50.00

2019 Omega Speedmaster Reduced 3510.50.00

Omega - 3510.50.00
2019 Omega Speedmaster Reduced with outer box, inner box, warranty card, and manual. The watch is in very good condition and retail ready.

  • Condition: Very Good
  • Year: 2019
  • Box Status: Retail Ready
  • Case Size: 39mm
Posted at
Feb 10, 2026, 10:30 PM
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[WTS] 2024 Omega Speedmaster Professional Ref 310.30.42.50.04.001 | Complete set | Excellent condition

2024 Omega Speedmaster Professional Ref 310.30.42.50.04.001 | Complete set | Excellent condition

Omega - 310.30.42.50.04.001 · $7,689
Selling a 2024 Omega Speedmaster Professional in excellent condition, with original box and accessories, suitable for daily wear or as a collector's piece.

  • Condition: Excellent / Very Good
  • Box And Outer Packaging: Original
  • Warranty Card Booklets: Omega warranty card & booklets
  • Tags: Included
Posted at
Feb 10, 2026, 10:03 PM
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[WTS] Omega Speedmaster White Dial Co-Axial Chronograph 44.25mm – Ref. 329.30.44.51.04.001 – $5,249 Shipped

Omega Speedmaster White Dial Co-Axial Chronograph 44.25mm – Ref. 329.30.44.51.04.001 – $5,249 Shipped

Omega - 329.30.44.51.04.001 · $5,249
The Omega Speedmaster Chronograph Co-Axial Master Chronometer features a 44.25mm stainless steel case, white dial, ceramic tachymeter bezel, and sapphire crystal with exhibition caseback. Powered by Omega's in-house Co-Axial Master Chronometer Caliber 9900.

  • Condition: Light surface wear, hairlines consistent with normal use; no deep dents or structural damage visible.
  • Case size: 44.25mm
  • Crystal type: Sapphire crystal with exhibition caseback
  • Movement: Omega's in-house Co-Axial Master Chronometer Caliber 9900, METAS certified
Posted at
Feb 10, 2026, 9:31 PM
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[WTS]🔥2026 OMEGA SPEEDMASTER SAPPHIRE SANDWICH BRAND NEW COMPLETE!!🔥

🔥2026 OMEGA SPEEDMASTER SAPPHIRE SANDWICH BRAND NEW COMPLETE!!🔥

OMEGA - 310.30.42.50.01.002 · $7,450
This brand new Omega Speedmaster Sapphire Sandwich features a beautiful black dial and stainless steel case, measuring 42mm in diameter.

  • Condition: BRAND NEW/UNWORN
  • Case Size: 42mm diameter
  • Material: Stainless Steel
Posted at
Feb 10, 2026, 5:39 PM
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[WTS] Omega Speedmaster Professional Moonwatch Hesalire Cal 1861 - Big Box Full Set 2021

Omega Speedmaster Professional Moonwatch Hesalire Cal 1861 - Big Box Full Set 2021

Omega - 311.30.42.30.01.005 · $4,650
The Omega Speedmaster Professional Moonwatch features a Lemania based caliber 1861 movement in a hesalite dome paired with a luminova dial. The watch is accompanied by the Big Box set including an inner travel box, outer protective one, loupe, two nato straps, medallion and loupe.

  • Condition: pre-owned with clean movement, light signs of use and scratches on the clasp
  • Movement: caliber 1861
  • Bracelet size: 42 x 20mm
  • Case material: hesalite
Posted at
Feb 10, 2026, 3:52 PM
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[WTS] Omega Speedmaster Professional - Reverse Panda (ref. 310.30.42.50.01.004) - 2026 Brand New

Omega Speedmaster Professional - Reverse Panda (ref. 310.30.42.50.01.004) - 2026 Brand New

Omega - 310.30.42.50.01.004 · $11,000
The Omega Speedmaster Professional Reverse Panda is a brand new release with a unique dial that 'pops' in person.

  • Condition: Brand New
  • Release year: 2026
  • Status: Full set
Posted at
Feb 10, 2026, 3:28 PM
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[WTS] Omega Speedmaster 3573.50 Box and cards

Omega Speedmaster 3573.50 Box and cards

Omega - 3573.50 · $4,500
Iconic moonwatch in good condition, comes with box and cards.

  • Condition: good
  • Box and cards included: true
  • Shipped: true
Posted at
Feb 10, 2026, 1:23 PM
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[WTS] 2025 OMEGA Speedmaster Moonwatch Pro White 310.30.42.50.04.001 Full Set Price Reduced

2025 OMEGA Speedmaster Moonwatch Pro White 310.30.42.50.04.001 Full Set Price Reduced

OMEGA - 310.30.42.50.04.001 · $7,549
This classic Omega Speedmaster Moonwatch Pro features a white dial and comes with a full set, including boxes, cards, manuals, cleaning cloth, extra links, hang tag, and original receipt.

  • Condition: Very good condition with minor scratch on the case
  • Msrp: $9,100
  • Year: 2025
  • Diameter: 40.5mm
Posted at
Feb 10, 2026, 1:20 PM
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