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.
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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 Speedmaster Date Grey 40mm Automatic 323.30.40.40.06.001

Omega Speedmaster Date Grey 40mm Automatic 323.30.40.40.06.001

A beautiful Omega Speedmaster in a 40mm size, perfect for most wrists.

  • Condition: Very good
  • Size: 40mm diameter
  • Case condition: Minimal signs of wear
Posted at
Oct 15, 2025, 6:10 PM
Active
[WTS] Omega Speedmaster Broad Arrow 3594.50 (EU seller)

Omega Speedmaster Broad Arrow 3594.50 (EU seller)

Omega - 3594.50 · $4,000
This Omega Speedmaster Broad Arrow is a unique design with a 42mm case, featuring calibre 1861 and accompanied by its original box and papers from 2004.

  • Condition: Excellent condition, 20-year-old
  • Size: 42mm diameter
  • Bracelet material: Original steel
Posted at
Oct 15, 2025, 12:11 PM
Active
[WTS] Omega Speedmaster Professional Moonwatch 18k Sedna Gold Black Dial 310.60.42.50.01.001

Omega Speedmaster Professional Moonwatch 18k Sedna Gold Black Dial 310.60.42.50.01.001

Omega - 310.60.42.50.01.001 · $28,295
A stunning Omega Speedmaster Professional Moonwatch with 18k Sedna gold and a deep black dial. This watch presents in excellent condition and comes with its outer box, inner box, booklet, and warranty card.

  • Condition: Excellent, little to no signs of wear
  • Movement: Mechanical (Manual) Movement Caliber: Omega 3861
  • Case Size: 42mm diameter
  • Thickness: 13.18mm
Posted at
Oct 15, 2025, 8:42 AM
Active
[WTS][US] Omega Speedmaster Chronoscope - White Panda Dial - 43mm - 329.30.43.51.02.002

[US] Omega Speedmaster Chronoscope - White Panda Dial - 43mm - 329.30.43.51.02.002

A 43mm Omega Speedmaster Chronoscope with a White Panda Dial, in excellent working order and accompanied by original accessories.

  • Condition: Fantastic with minor hairlines
  • Diameter: 43mm
Posted at
Oct 15, 2025, 8:12 AM
Active
[WTS] OMEGA Speedmaster Moonwatch White Dial 2025 Full Set 310.30.42.50.04.001

OMEGA Speedmaster Moonwatch White Dial 2025 Full Set 310.30.42.50.04.001

A white dial Omega Speedmaster Moonwatch with a stainless steel case, sapphire crystal, and water resistance of 5ATM (50 meters), powered by the in-house caliber 3861.

  • Case diameter: 42mm
  • Case thickness: 13.18mm
  • Water resistance: 50m depth rating
Posted at
Oct 14, 2025, 5:39 PM
Active
[WTS] 2023 Omega Speedmaster Moonwatch Professional | 310.30.42.50.01.002 | Complete | Sapphire Sandwich | Speedy

2023 Omega Speedmaster Moonwatch Professional | 310.30.42.50.01.002 | Complete | Sapphire Sandwich | Speedy

The Omega Speedmaster Moonwatch Professional 'Sapphire Sandwich' is a gorgeous watch highlighted by the two sapphire crystals, making it perfect for daily wear. It's comfortable, simple, and practical.

  • Condition: Excellent
  • Box: Complete set
  • Papers: Full set of documents
  • Links: Full links present
Posted at
Oct 14, 2025, 2:33 PM
Active

2022 Omega Speedmaster Moonwatch Sapphire 42mm 310.30.42.50.01.002 Mint Complete

This 2022 Omega Speedmaster Moonwatch Sapphire 42mm is a first watch worn on the moon, featuring photos and a video on the seller's website.

  • Condition: Minty fresh
  • Case size: 42mm
  • Year: 2022
  • Contents: watch,inner & outer boxes,warranty card,pictogram,master chronometer,instruction booklet,black travel case,hang tag,cleaning cloth,Moonwatch Booklet
Posted at
Apr 7, 2025, 2:59 PM
Active
Omega Speedmaster Chronograph  - Blue - Stainless Steel - 38mm - Mint

Omega Speedmaster Chronograph - Blue - Stainless Steel - 38mm - Mint

This Omega Speedmaster Chronograph features a 38mm stainless steel case, blue dial, and automatic movement.

  • Condition: Pre-Owned - Mint
  • Case size: 38mm diameter
  • Bracelet type: Stainless Steel
  • Dial color: Blue
Posted at
Apr 5, 2025, 6:13 PM
Active
Omega Speedmaster 321 Ed White

Omega Speedmaster 321 Ed White

This Omega Speedmaster 321 Ed White is an original purchase from a US OB in 2023, worn sparingly since.

  • Condition: Good condition with minor scuffs
  • Warranty: includes warranty cards
  • Links: all links included
Posted at
Apr 4, 2025, 6:34 PM
Active