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 Broad Arrow - White Dial + Blued Hands - 42mm - 321.10.42.50.02.001

Omega - 321.10.42.50.02.001 · $4,150

This Omega Speedmaster Broad Arrow features a white dial and blued hands, housed in a 42mm case.

Condition: Fantastic condition with minor hairlines on bracelet, case, and clasp
Case size: 42mm

Posted at

Feb 13, 2026, 2:55 PM

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Omega Speedmaster Moonwatch Professional - White Dial - 310.30.42.50.04.001 - Full Set - BRAND NEW

Omega - 310.30.42.50.04.001 · $8,175

A brand-new Omega Speedmaster Moonwatch Professional with a white dial is up for sale, featuring a pristine condition and functioning perfectly mechanically.

Condition: Brand new, unworn
Case materials: Stainless steel
Bracelet material: Stainless steel

Posted at

Feb 13, 2026, 2:45 PM

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Omega Speedmaster Blue moonphase 304.33.44.52.03.001

Omega - 304.33.44.52.03.001 · $6,999

This Omega Speedmaster features a blue dial with moonphase display, and comes with its original box, papers, manual, and strap.

Condition: In great shape
Water Resistance: 30m

Posted at

Feb 13, 2026, 1:29 PM

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Omega Speedmaster GMT 231.10.43.52.06.001 – Full Set – Grey Dial – 2014 – $3,850

Omega - 231.10.43.52.06.001 · $3,850

A sharp, highly versatile Speedmaster with excellent wrist presence and everyday wearability.

Condition: Good condition
Year: 2014 production
Bracelet material: Stainless steel
Dial color: Grey dial

Posted at

Feb 13, 2026, 1:06 PM

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Omega Speedmaster 324.23.38.50.02.001 38mm Co-Axial

Omega - 324.23.38.50.02.001 · $4,250

The Omega Speedmaster 324.23.38.50.02.001 features a unique gold and green bezel, sits on a green leather strap with quick release function, and is in excellent condition from 2024.

Condition: Excellent condition
Diameter: 38mm
Strap material: Green leather

Posted at

Feb 13, 2026, 1:02 PM

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Omega Speedmaster Reduced - 39mm Two Tone - Ref 175.0033 - Price Reduced!

Omega - 175.0033 · $2,695

A beautiful Omega Speedmaster Reduced with a white dial and 39mm two-tone design, featuring all working functions and a high-quality leather AM strap from Casanova.

Condition: great vintage condition, light hairlines on bezel and case
Case size: 39mm
Band: high quality leather AM strap from Casanova

Posted at

Feb 13, 2026, 1:01 PM

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Omega Speedmaster Moonwatch Professional Hesalite, 2025, full big box, $5800

Omega - 310.32.42.50.01.001 · $5,800

This Omega Speedmaster Moonwatch Professional features the Co-Axial Master Chronometer Caliber 3861, has a stainless steel case with Hesalite crystal, and comes in its full big box set. It is manual wind, METAS certified, and has 50 meters water resistance.

Condition: mint condition
Case size: 42mm
Water resistance: 50m
Crystal type: Hesalite

Posted at

Feb 13, 2026, 11:22 AM

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Omega Speedmaster Moonwatch Professional 42mm White Dial 310.30.42.50.04.001 Complete

Omega - 310.30.42.50.04.001 · $7,650

A 42mm Omega Speedmaster Moonwatch Professional with a white dial is being sold.

Condition: In very good condition, rated at 9.7/10
Condition Rating: 9.7/10
Included Accessories: Inner & outer boxes, manual, booklet, Pictogram card, Master Chronometer card, removed links and warranty card

Posted at

Feb 13, 2026, 10:41 AM

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Omega Speedmaster White 2024 Full set + OEM Red racing leather strap - Warranty until July 2029 - 310.30.42.50.04.001 - $7300 + 🏷 🔥 🚀

Omega - 310.30.42.50.04.001 · $7,300

This is the Omega Speedmaster White, considered by the seller to be one of the most beautiful Speedmasters.

Condition: good condition
Strap Type: red leather racing strap
Warranty Date: until July 2029

Posted at

Feb 13, 2026, 9:44 AM

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