Omega Speedmaster Speedmaster Professional Missions Gemini XI

Reference 3597.09.00

Omega Speedmaster Professional Missions Gemini XI

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 Day Date 3523.80

Omega Speedmaster Day Date 3523.80

Omega - 3523.80 · $2,450
For sale is an Omega Speedmaster Day Date with a beautiful blue dial, in excellent condition and running super solid.

  • Condition: excellent
  • Payment methods accepted: crypto, other (with small fee)
  • Location: southwest FL
  • Open to trades for: Tudor, Cartier, Rolex, Omega, Breitling, AP
Posted at
Apr 15, 2026, 10:55 AM
Active
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[WTS] Omega Speedmaster Broad Arrow 3594.50

Omega Speedmaster Broad Arrow 3594.50

Omega - 3594.50 · $3,350
A pre-owned Omega Speedmaster Broad Arrow in excellent condition with very little wear.

  • Condition: Excellent condition with very little wear
  • Payment Methods Accepted: Multiple payment methods including crypto
  • Available To Trade For: Tudor, Cartier, Rolex, Omega, Breitling, AP
Posted at
Apr 15, 2026, 10:40 AM
Active
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[WTS] Omega Speedmaster Reduced 3510.50 2 AVAILABLE

Omega Speedmaster Reduced 3510.50 2 AVAILABLE

Omega - 3510.50 · $2,550
Two Omega Speedmaster Reduced in great condition for sale, both running solid and coming as watch only.

  • Condition: Great condition, some light wear
  • Bracelet condition: Pretty good
  • Crystals condition: 0 or very minimal scratches
Posted at
Apr 15, 2026, 10:14 AM
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[WTS] Omega Speedmaster 3210.50 Black Dial $2,090

Omega Speedmaster 3210.50 Black Dial $2,090

Omega - 3210.50 · $2,090
The Omega Speedmaster Date is a 40mm stainless steel automatic chronograph with a black dial and tachymeter bezel, featuring a sporty classic look and an automatic movement.

  • Condition: pre-owned, good condition with scuffs due to age
  • Case size: 40mm diameter
  • Lug-to-lug length: 45mm
  • Lug width: 19mm
Posted at
Apr 15, 2026, 9:42 AM
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[WTS] INCREDIBLE Vintage 18K Gold Omega Speedmaster Tribute to Astronauts Ref BA145.022 Unpolished Holy Grail Example!!!

INCREDIBLE Vintage 18K Gold Omega Speedmaster Tribute to Astronauts Ref BA145.022 Unpolished Holy Grail Example!!!

Omega - BA145.022-69 · $48,500
This is a vintage Omega Speedmaster Tribute to Astronauts ref BA145.022-69, one of the first solid gold Speedmasters produced in 1969.

  • Condition: Excellent, unpolished with patina
  • Case size: 42mm diameter
  • Bracelet length: 7.5 inches
  • Movement: Lemania-based hand wound caliber 861
Posted at
Apr 14, 2026, 9:59 PM
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[WTS] Omega Speedmaster '57 - current gen - warranty till Apr 2027

Omega Speedmaster '57 - current gen - warranty till Apr 2027

Omega - 332.10.41.51.01.001 · $6,099
A current generation Omega Speedmaster '57 with a April 29, 2022 date, featuring a scratch on the crystal near 12 o'clock.

  • Condition: Very good, hairlines and desk diving marks
  • Bracelet size: 17cm
  • Box included: yes
  • Warranty expiration date: Apr 2027
Posted at
Apr 14, 2026, 9:41 PM
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[WTS] Omega Speedmaster Triple Calendar w/ EBay authentication

Omega Speedmaster Triple Calendar w/ EBay authentication

Omega - Speedmaster Triple Calendar · $2,300
This Omega Speedmaster features an automatic chronograph, day, month, and year calendar with a clean and uncluttered dial. The watch is 42 mm in size but wears smaller on the wrist.

  • Condition: Good condition, some signs of use
  • Size: 42mm diameter, 40-41mm on the wrist
  • Authentication: eBay authenticated
Posted at
Apr 14, 2026, 9:02 PM
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[WTS] 2024 Omega Speedmaster 38mm Diamond Bezel Gray Dial Full Set Excellent Condition - 324.38.38.50.06.001

2024 Omega Speedmaster 38mm Diamond Bezel Gray Dial Full Set Excellent Condition - 324.38.38.50.06.001

Omega - 324.38.38.50.06.001
2024 Omega Speedmaster 38mm Diamond Bezel Gray Dial Full Set, in excellent condition.

  • Diameter: 38mm
Posted at
Apr 14, 2026, 7:04 PM
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[WTS] New 2026 Omega Speedmaster Professional Hesalite Full Set only $6400

New 2026 Omega Speedmaster Professional Hesalite Full Set only $6400

Omega - 310.30.42.50.01.001 · $6,400
This brand new Omega Speedmaster Professional is presented in pristine condition and comes complete with its original full set, including a factory warranty card dated 2026.

  • Condition: pristine, unworn
  • Warranty: 5-year international warranty
  • Price Comparison: list price from authorized dealer: $7800 plus tax
Posted at
Apr 14, 2026, 12:27 PM
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