Omega Speedmaster Speedmaster Professional Missions Gemini XI

Reference 3597.09.00

About this watch

The Omega Speedmaster Professional Missions Gemini XI, with its reference number 3597.09.00, is a piece of horological history that embodies the spirit of adventure and precision that Omega is renowned for. This limited edition, produced between January 1997 and July 1998, features a striking black dial, a robust stainless steel case, and a legendary Omega caliber 1861 movement. With only 200 units produced, this watch is a true collector's item and a testament to Omega's commitment to excellence and innovation.
Buy Now on Jomashop
This is an affiliate link

Key Features

  • Omega Caliber 1861 Hand-Wound Movement
  • 42mm Stainless Steel Case with Plexiglass Crystal
  • Tachymeter Bezel for Precise Measurements
  • Limited Edition of Only 200 Units Produced
  • 50m Water Resistance Suitable for Light Swimming
  • Stainless Steel Bracelet with 20mm Lug Width
  • Iconic Design that Stands the Test of Time

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster Professional Missions Gemini XI
Reference
3597.09.00
Movement
1861
Movement Features
  • Small Seconds, Hours, Minutes
  • Chronograph
Case
Stainless Steel 42mm
Dial Color
Black
Crystal
Plexi
Water Resistance
50

Current Listings

[WTS] 2024 OMEGA SPEEDMASTER 38 Sedna Gold Cappuccino Dial 324.23.38.50.02.002 FULL SET B&P - $5,500

2024 OMEGA SPEEDMASTER 38 Sedna Gold Cappuccino Dial 324.23.38.50.02.002 FULL SET B&P - $5,500

2024 OMEGA SPEEDMASTER 38 Sedna Gold Cappuccino Dial, FULL SET B&P.

  • Dial color: Cappuccino Dial
  • Case material: Sedna Gold
Posted at
Feb 19, 2026, 1:10 PM
Active
[WTS] Omega Speedmaster Black Fabric Strap

Omega Speedmaster Black Fabric Strap

Omega - CWZ014117 · $240
This Omega Speedmaster black fabric strap is being sold for a current generation of Speedmaster Pro watches. It has never been worn and comes in excellent condition.

  • Condition: like new, never worn
  • Strap width: 20/16mm
  • Deployant type: current generation of Speedmaster Pro watches
Posted at
Feb 19, 2026, 12:46 PM
Active
[WTS] Omega Speedmaster Moonwatch (2006) Professional 3570.50 Chronograph 42mm

Omega Speedmaster Moonwatch (2006) Professional 3570.50 Chronograph 42mm

Omega - 3570.50 · $3,600
This is a pre-owned Omega Speedmaster Moonwatch Professional from 2006, featuring a chronograph function and a 42mm case size. It has been serviced in 2025 with a minor +3 sec/day deviation.

  • Condition: Excellent
  • Case Size: 42mm diameter
Posted at
Feb 19, 2026, 11:20 AM
Active
[WTS] Omega Speedmaster Professional - 310.32.42.50.01.002 - 2023 - Full Set - $5,500

Omega Speedmaster Professional - 310.32.42.50.01.002 - 2023 - Full Set - $5,500

A 2023 Omega Speedmaster Professional Moonwatch, ref. 310.32.42.50.01.002, with a black dial and full set including outer/inner box, warranty card, pictograms card, watch cloth, manual, and book.

  • Condition: Normal wear (Clasp wear and lug wear)
  • Buckle type: Deployment Omega buckle
  • Strap type: leather strap
  • Wrist size compatibility: up to 7.25 - 7.5 inches
Posted at
Feb 19, 2026, 8:57 AM
Active
[WTS] Omega Speedmaster Reduced 3539.50.

Omega Speedmaster Reduced 3539.50.

Omega - 3539.50 · $3,400
This Omega Speedmaster Reduced features a 39mm case size, sapphire crystal, and 100m water resistance.

  • Condition: Pre-owned with signs of wear
  • Case Size: 39mm
  • Water Resistance: 100m
  • Bracelet Fit: 7 inch wrist
Posted at
Feb 19, 2026, 3:35 AM
Active
[WTS] Omega Links for 20mm bracelet on the APOLLO 50th Anniversary Speedmaster 310.20.42.50.01.001 – Mint Condition

Omega Links for 20mm bracelet on the APOLLO 50th Anniversary Speedmaster 310.20.42.50.01.001 – Mint Condition

A Speedmaster with a co-axial master chronometer and chronograph, part of the anniversary series.

  • Condition: Mint Condition
  • Bracelet size: 20mm (tapering to 16mm)
  • Bracelet type: 20mm
Posted at
Feb 19, 2026, 2:40 AM
Active
[WTS] Omega Speedmaster Moonwatch Pro Cal 3861 Ref 310.30.42.50.01.002 Mint

Omega Speedmaster Moonwatch Pro Cal 3861 Ref 310.30.42.50.01.002 Mint

This Omega Speedmaster Moonwatch Pro Caliber 3861 is a highly equipped model with its original stickers, retail tag, an Omega style forstner bracelet, and the mint OEM bracelet.

  • Condition: Mint
  • Bracelet value: $180
  • Bracelet type: Omega style forstner
Posted at
Feb 18, 2026, 6:17 PM
Active
[WTS] Omega Speedmaster Professional Moonwatch Hesalite 311.33.42.30.01.001

Omega Speedmaster Professional Moonwatch Hesalite 311.33.42.30.01.001

Omega Speedmaster Professional Moonwatch Hesalite, purchased brand new in 2021/22 and rarely worn.

  • Condition: Great condition
  • Caliber: 1816
  • Accessories included: Full box/papers
Posted at
Feb 18, 2026, 5:55 PM
Active
[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 features a razor-sharp case with crisp edges and an original factory finish. The watch is fitted with its period-correct black tritium step dial displaying warm yellow patina.

  • Condition: Unpolished, all-original condition
  • Case size: 42mm diameter
  • Bracelet length: full length (fits wrist over 8 inches)
  • Movement service: serviced in February 2026
Posted at
Feb 18, 2026, 5:28 PM
Active