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

Current Listings

Omega Speedmaster 324.23.38.50.02.001 38mm Co-Axial

Omega - 324.23.38.50.02.001 · $4,150

A super clean Omega Speedmaster with a unique gold and green bezel, sitting on a green leather strap.

Condition: Excellent condition
Diameter: 38mm
Year: 2024

Posted at

Feb 20, 2026, 2:46 PM

Active

View listing on r/WatchExchange

Omega Speedmaster ’57 40.5mm Red Co-Axial Chronograph BOXES/PAPERS!

Omega - '57 40.5mm

Boxes/papers included: true

Posted at

Feb 20, 2026, 2:23 PM

Active

View listing on r/WatchExchange

Omega Speedmaster 38 Co-Axial Chronograph 38mm Brown Dial 324.23.38.50.02.002

Omega - 324.23.38.50.02.002 · $5,600

This Omega Speedmaster 38 Co-Axial Chronograph features a brown dial and is in excellent condition.

Condition: in very good condition, rated at 9.9/10
Included Accessories: inner & outer Omega boxes, manual, hang tag, date adjustment tool, Pictogram card, warranty card
Date: 2023

Posted at

Feb 20, 2026, 10:20 AM

Active

View listing on r/WatchExchange

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

Omega - 321.10.42.50.02.001 · $4,125

The 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 diameter
Year Of Making: 2008

Posted at

Feb 20, 2026, 8:41 AM

Active

View listing on r/WatchExchange

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

Omega - 310.30.42.50.04.001 · $8,150

This Omega Speedmaster Moonwatch Professional features a white dial and is part of a full set, including the watch, box, shipping coffin, historical booklet, user manual, microfiber cloth, serialized case back sticker, master chronometer card, and warranty card.

Condition: Brand new
Water Resistance: 30m
Case Dimensions: 42mm diameter
Bracelet Type: Bracelet

Posted at

Feb 20, 2026, 8:36 AM

Active

View listing on r/WatchExchange

Omega Speedmaster Moonwatch Professional O31030425001004 ♦️Brand New 2026♦️

Omega - O31030425001004 · $11,800

This Omega Speedmaster Moonwatch Professional is a brand new watch, dated Q1 2026. It comes with the full set of box and papers.

Condition: Brand New
Year Of Manufacture: 2026
Includes Box And Papers: true
Payment Methods Accepted: Bank Wire / Credit card (+4.9%) / Crypto

Posted at

Feb 20, 2026, 3:57 AM

Active

View listing on r/WatchExchange

Omega Speedmaster Moonwatch Professional Sapphire Ref. 310.30.42.50.01.002

Omega - 310.30.42.50.01.002 · $6,700

The Omega Speedmaster Moonwatch Professional 'Sapphire Sandwich' is a modern evolution of the iconic chronograph, featuring a classic design with a domed sapphire crystal and exhibition sapphire caseback.

Condition: Excellent overall condition and presents extremely well
Movement: Omega Co-Axial Master Chronometer Calibre 3861 (manual wind, 50-hour power reserve, anti-magnetic to 15,000 gauss)
Case: 42mm stainless steel with twisted lugs
Dial: Black stepped dial with applied logo and tri-compax chronograph layout

Posted at

Feb 19, 2026, 10:07 PM

Active

View listing on r/WatchExchange

2024 Omega Speedmaster Professional Moonwatch White Dial 310.30.42.50.04.001 FS

Omega - 310.30.42.50.04.001 · $7,600

2024 Omega Speedmaster Professional Moonwatch White Dial for sale. This watch features a stainless steel case measuring 42mm in diameter, a black bezel, white dial, and stainless steel bracelet with micro adjustment.

Condition: Nice Preowned Condition with Some Light Scratches on the Case, Bracelet and Buckle
Case material: Stainless Steel
Bezel material: Stainless Steel
Bezel color: Black

Posted at

Feb 19, 2026, 7:54 PM

Active

View listing on r/WatchExchange

Omega Speedmaster Reduced - Box & Papers

Omega - 3510.50.00 · $3,400

This is a 2019 Omega Speedmaster Reduced with a 39mm diameter case, sold in excellent condition.

Condition: Very Good Retail Condition
Year: 2019
Box And Papers: yes
Case Size: 39mm

Posted at

Feb 19, 2026, 5:04 PM

Active

View listing on r/WatchExchange