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] Omega OEM Deployant Clasp – Speedmaster Ref. 117Z017553 – Micro-Adjustment - 3861 Upgrade Kit

Omega OEM Deployant Clasp – Speedmaster Ref. 117Z017553 – Micro-Adjustment - 3861 Upgrade Kit

Omega - 117Z017553 · $175
A clasp kit designed for Omega Speedmaster bracelets, featuring a micro-adjustment feature and made of stainless steel. It is an OEM replacement or upgrade option for precise sizing.

  • Condition: Excellent – minimal wear, fully functional
  • Fitment: Omega Speedmaster bracelets
  • Material: Stainless steel
  • Feature: Micro-adjustment for precise sizing
Posted at
Oct 27, 2025, 5:47 AM
Active
[WTS] Omega Speedmaster Michael Schumacher 39mm (previously ebay authenticated with card) naked watch, have box not original box

Omega Speedmaster Michael Schumacher 39mm (previously ebay authenticated with card) naked watch, have box not original box

This Omega Speedmaster Michael Schumacher edition is a naked watch without its original box. It has been eBay authenticated and comes with the authentication card.

Posted at
Oct 26, 2025, 9:54 PM
Active
[WTS] Omega Speedmaster Professional White 42MM - Ref 310.30.42.50.04.001 - 04/25

Omega Speedmaster Professional White 42MM - Ref 310.30.42.50.04.001 - 04/25

A 42MM Omega Speedmaster Professional White, a popular and highly sought-after model known for its reliability and style.

  • Condition: preowned in fantastic condition
  • Case size: 42mm
Posted at
Oct 26, 2025, 6:16 PM
Active
[WTS] Omega Speedmaster FOIS 40mm Numbered Edition – Excellent Condition, New Lincoln Bracelet, Professional Ed White Mod, Box + Warranty Card

Omega Speedmaster FOIS 40mm Numbered Edition – Excellent Condition, New Lincoln Bracelet, Professional Ed White Mod, Box + Warranty Card

Omega - FOIS · $4,250
Up for sale is my Numbered Editon Omega Speedmaster FOIS (First Omega in Space) in very good condition, featuring a professionally installed Ed White–style mod that gives it a beautifully vintage, classic Speedmaster look.

  • Condition: Excellent overall with light, honest wear
  • Bracelet: Uncle Seiko Lincoln bracelet, 6.75 inches long with extra links
  • Case Size: 40mm diameter
Posted at
Oct 26, 2025, 2:51 PM
Active
[WTS] Omega Speedmaster Moonphase

Omega Speedmaster Moonphase

Omega - 3575.20 · $5,225
Up for sale is an Omega Speedmaster Moonphase ref. 3575.20 in excellent condition! Very minimal signs of wear, runs great and includes full kit.

  • Condition: Excellent
  • Shipping restrictions: CONUS only
Posted at
Oct 26, 2025, 2:01 PM
Active
[WTS] 2023 Omega Speedmaster Moonwatch Professional | 310.30.42.50.01.002 | Complete | Sapphire Sandwich | Speedy | Micro-adjust Clasp

2023 Omega Speedmaster Moonwatch Professional | 310.30.42.50.01.002 | Complete | Sapphire Sandwich | Speedy | Micro-adjust Clasp

A gorgeous watch highlighted by the two sapphire crystals, and makes for arguably the perfect daily; comfortable, simple, and practical.

  • Condition: Excellent
  • Reference type: Professional
  • Crystal material: Sapphire
  • Movement: Calibre GA
Posted at
Oct 26, 2025, 12:26 PM
Active
[WTS] NEW 2025 Omega Speedmaster Professional Moonwatch ‘Silver Snoopy Award’ - Ref. 310.32.42.50.02.001 - $14,430

NEW 2025 Omega Speedmaster Professional Moonwatch ‘Silver Snoopy Award’ - Ref. 310.32.42.50.02.001 - $14,430

Omega - 310.32.42.50.02.001 · $14,430
The 'Silver Snoopy Award' 50th Anniversary edition Omega Speedmaster Professional Moonwatch features blue sub-dials and a bezel, along with a unique caseback.

  • Condition: Brand New
  • Year: 2025
  • Set Contents: full set with inner + outer box, cards, special loupe, cleaning cloth and instruction manuals
Posted at
Oct 26, 2025, 7:53 AM
Active
[WTS] 2024 Omega Speedmaster Moonwatch Sapphire REF 31030425001002 Full kit (Box, Papers, Extra links)

2024 Omega Speedmaster Moonwatch Sapphire REF 31030425001002 Full kit (Box, Papers, Extra links)

Omega - 31030425001002 · $6,999
2024 Omega Speedmaster Moonwatch Sapphire in excellent condition, barely worn, and well-kept. Includes full box, papers, extra links, and owners manual.

  • Condition: Pre-owned (2024 piece, well kept and in amazing condition)
  • Year: 2024
  • Included Accessories: Full box, papers, extra links, owners manual
Posted at
Oct 26, 2025, 12:14 AM
Active
[WTS] Omega Speedmaster3590.50 – Unpolished Classic

Omega Speedmaster3590.50 – Unpolished Classic

Omega - 3590.50 · $55,000
a classic, unpolished Omega Speedmaster with a unique character

  • Material: steel
  • Band: leather strap
Posted at
Oct 25, 2025, 9:37 PM
Active