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

Current Listings

Omega Speedmaster Racing Chronograph Silver Dial Watch 326.30.40.50.02.001 Complete Set

Omega - 326.30.40.50.02.001 · $3,795

The Omega Speedmaster Racing features a striking silver white dial, bold chronograph hands and counters, and a stainless steel case and bracelet. It honors heritage, delivers precision, and adds a fresh twist with its bright dial.

Condition: Excellent
Diameter: 40mm
Movement: chronograph movement

Posted at

Feb 18, 2026, 5:22 PM

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Omega Speedmaster '57 - 332.10.41.51.10.001 - 2022 - $7000

Omega - 332.10.41.51.10.001 · $7,000

A 2022 Omega Speedmaster '57, bought new in New York, with international warranty card and a Genteel Handmade leather race strap.

Condition: superb operational and cosmetic condition
Year: 2022
Bracelet status: new

Posted at

Feb 18, 2026, 3:50 PM

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Omega Speedmaster 3573.50 Box and cards

Omega - 3573.50 · $4,399

This Omega Speedmaster features a Hesalite sandwich with a sapphire display caseback, manual-wind chronograph, and classic Moonwatch configuration.

Condition: Used
Case material: metal
Crystal: Hesalite
Case back crystal: sapphire

Posted at

Feb 18, 2026, 1:07 PM

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2025 Omega Speedmaster Racing 44mm - 329.32.44.51.01.001 - Price Reduced!

Omega - 329.32.44.51.01.001 · $5,995

The Omega Speedmaster Racing Co-Axial Master Chronometer Chronograph combines the heritage of the Speedmaster line with bold orange racing accents and a modern Caliber 9900 Master Chronometer movement. It features a factory black micro-perforated leather racing strap with orange rubber lining and an Omega folding deployant clasp.

Condition: Preowned, barely worn
Movement: Omega Caliber 9900 Master Chronometer
Power reserve: approximately 60 hours
Strap: Factory black micro-perforated leather with orange rubber lining and Omega folding deployant clasp

Posted at

Feb 18, 2026, 12:16 PM

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Omega Moonswatch 1965 speedmaster

Omega - MoonSwatch 1965 speedmaster · $480

Up for sale is my Omega MoonSwatch Mod, a 2-year-old purchase that has barely been worn.

Condition: Pre-owned with minor cosmetic issues (dirty)

Posted at

Feb 18, 2026, 11:57 AM

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2019 Omega Speedmaster (FOIS) - 311.32.40.30.01.001 - Box and Papers - Price Reduced

Omega - 311.32.40.30.01.001 · $4,450

This is the highly sought-after “First Omega in Space” Speedmaster, featuring the classic straight-lug case and vintage-inspired design.

Condition: pre-owned with minimal wear
Case size: 39.7mm diameter
Edition size: Numbered Edition

Posted at

Feb 18, 2026, 11:56 AM

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Omega Speedmaster MoonWatch 310.30.42.50.04.001 FULL SET 2025 - $7475

Omega - 310.30.42.50.04.001 · $7,475

This Omega Speedmaster MoonWatch is a full set including box and papers, with a condition that's almost brand new.

Condition: Like new, worn once
Box and papers included: full set, brand new condition
Shipping options: UPS Ground with signature confirmation, expedited options available
Payment methods: Zelle preferred, PayPal G&S, bank wire

Posted at

Feb 18, 2026, 10:17 AM

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Omega Speedmaster Professional - 310.30.42.50.04.001 - 2024 - Full Set - $7,300

Omega - 310.30.42.50.04.001 · $7,300

A 2024 Omega Speedmaster Professional Moonwatch in white dial, full set and running well.

Condition: normal wear, clasp wear and lug wear
Year: 2024
Timekeeping: +4 s/d; Amp: 284
Included items: outer box/inner box,warranty card (dated 2024),manual/pictograms card,hang tag,booklet,purchase receipt,Omega book about watch

Posted at

Feb 18, 2026, 9:04 AM

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Omega Speedmaster Reduced 3510.50.00

Omega - 3510.50.00 · $2,000

For sale is a preowned Omega Speedmaster Reduced (3510.50.00) sourced from Japan in July 2019. The watch continues to run well with readings of +8 seconds per day, 267 amplitude, and 0.1ms beat error on my timegrapher.

Condition: Preowned, 90% condition of the watch head
Bracelet size fits: 6.5 inches / flat wrist
Spare links included: 2
Condition of the watch head: 90%

Posted at

Feb 18, 2026, 7:01 AM

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