Omega Speedmaster Speedmaster Professional Missions Gemini X

Reference 3597.08.00

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 Sapphire - 310.30.42.50.01.002 - Full Kit - Fresh Service

Omega Speedmaster Professional Sapphire - 310.30.42.50.01.002 - Full Kit - Fresh Service

This is a lightly pre-owned Omega Speedmaster Professional in excellent condition, featuring a sapphire crystal front and display caseback.

  • Condition: near like-new
  • Size: 42mm diameter
  • Crystal material: sapphire
  • Movement visibility: display caseback
Posted at
May 16, 2026, 2:52 PM
Active
[WTS] Omega Speedmaster Professional Moonwatch Hesalite Full Set

Omega Speedmaster Professional Moonwatch Hesalite Full Set

Omega - 3861 · $5,850
2023 Omega Speedmaster Professional Moonwatch featuring the updated tapered bracelet and Master Chronometer movement, available in excellent condition.

  • Condition: 9.5/10
  • Crystal type: Hesalite
  • Bracelet style: tapered
  • Movement certification: Master Chronometer
Posted at
May 16, 2026, 1:55 PM
Active
[WTS] Omega Speedmaster Broadarrow. Strong Lume.

Omega Speedmaster Broadarrow. Strong Lume.

This Omega Speedmaster is a Broadarrow model with strong lume, available for sale.

  • Condition: Runs well
  • Shipping location: NJ USA
  • Shipping options: Fedex with insurance
  • Shipping globally: yes
Posted at
May 16, 2026, 1:46 PM
Active
[WTS] Omega Speedmaster Professional Moonwatch Pumpkin Patina 1968

Omega Speedmaster Professional Moonwatch Pumpkin Patina 1968

Omega - 145.012-68 · $10,570
This exceptional Omega Speedmaster Professional reference 145.012-68 presents a remarkable example of horological heritage in superb original condition.

  • Condition: Superb original condition
  • Case size: 42 x 47mm
  • Year: 1968
  • Bracelet size: accommodates wrists up to 7.75 inches
Posted at
May 16, 2026, 12:15 PM
Active
[WTS] Omega Integrated Speedmaster Moonwatch Rubber Strap / Omega Clasp - (Backordered Combo Omega) $600 shipped

Omega Integrated Speedmaster Moonwatch Rubber Strap / Omega Clasp - (Backordered Combo Omega) $600 shipped

Omega - 032Z017245 · $600
A black rubber strap and stainless steel deployant clasp designed for the Omega Speedmaster Professional, available only through Omega.

  • Condition: Excellent Condition
  • Lug size: 20mm
  • Case color: Red
Posted at
May 15, 2026, 6:58 PM
Active
[WTS] Omega Speedmaster Panda Chronograph 40mm 323.30.40.40.04.001

Omega Speedmaster Panda Chronograph 40mm 323.30.40.40.04.001

A Omega Speedmaster Date Day Panda Chronograph with a 40mm case, 7.5-inch bracelet, and accompanying warranty card.

  • Case size: 40mm
Posted at
May 15, 2026, 5:40 PM
Active
[WTS] 2023 OMEGA Speedmaster Professional Moonwatch Sapphire 310.30.42.50.01.002 Full Set with Micro-Adjust Clasp

2023 OMEGA Speedmaster Professional Moonwatch Sapphire 310.30.42.50.01.002 Full Set with Micro-Adjust Clasp

The Omega Speedmaster Professional Moonwatch features a black dial, sapphire crystal, and exhibition caseback showcasing the Omega Caliber 3861 movement, delivering precision, anti-magnetic performance, and a reliable 50-hour power reserve. It's fitted with a stainless steel bracelet featuring a micro-adjustable clasp.

  • Condition: Excellent pre-owned condition
  • Case size: 42mm diameter
  • Dial color: Black
  • Crystal material: Sapphire
Posted at
May 15, 2026, 4:54 PM
Active
[WTS] OMEGA Speedmaster Dark Side Of The Moon DSOM $11,800 plus label

OMEGA Speedmaster Dark Side Of The Moon DSOM $11,800 plus label

This Omega Speedmaster Dark Side Of The Moon DSOM is available for sale in excellent condition with minimal wear.

  • Condition: Like new - little to no visible wear anywhere on the watch
  • Box: full set
  • Cards: 3 cards, warranty card is blank
Posted at
May 15, 2026, 4:47 PM
Active
[WTS] Omega Speedmaster Panda 32330404004001 Full Set

Omega Speedmaster Panda 32330404004001 Full Set

Omega - 32330404004001 · $4,600
Up for sale is a 2010 Omega Speedmaster Panda, in its full set, with a stainless steel bracelet and no visible scratches on the case, bezel or crystal.

  • Condition: very good condition
  • Length: 40mm diameter
  • Bracelet material: stainless steel
Posted at
May 15, 2026, 4:36 PM
Active