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 Moonwatch Professional 3861 Sapphire 310.30.42.50.01.002

Omega - 310.30.42.50.01.002 · $6,350

This Omega Speedmaster Moonwatch Professional is a manual wound watch with a 42mm diameter case, featuring the iconic design of one of Omega's most celebrated watches.

Condition: Excellent pre-owned
Size: 42mm diameter
Movement: Manual Wound

Posted at

Dec 9, 2025, 12:20 PM

Active

View listing on r/WatchExchange

1991 Omega Speedmaster Moonwatch Ref 3590.50 with abstract

Omega - 3590.50.00 · $4,099

A 1991 Omega Speedmaster Moonwatch in excellent condition, with a tritium dial and original hands. The watch is powered by caliber 861 movement.

Condition: Excellent vintage condition
Movement: Caliber 861
Serial number: 482774XX
Bracelet size: 1479/812, fits 6.8" wrist, expands to fit 7.5" or larger

Posted at

Dec 8, 2025, 5:34 PM

Active

View listing on r/WatchExchange

[US] Omega Speedmaster Broad Arrow - White Dial - 42mm - 3551.20.00 - Full Set

Omega - 3551.20.00 · $4,225

This Omega Speedmaster Broad Arrow is a 42mm watch in excellent mechanical condition, featuring a white dial.

Condition: Fantastic condition with minor hairlines
Case size: 42mm diameter

Posted at

Dec 8, 2025, 2:21 PM

Active

View listing on r/WatchExchange

Omega Speedmaster Professional Hesalite - ref 310.30.42.50.01.001 - $5500 + label

Omega - 310.30.42.50.01.001 · $5,500

Omega Speedmaster Professional Hesalite with ref number 310.30.42.50.01.001 for sale.

Case size: 41mm

Posted at

Dec 8, 2025, 2:02 PM

Active

View listing on r/WatchExchange

2024 Omega Speedmaster Professional “Sapphire Sandwich” – Full Set

Omega - 310.30.42.50.01.002 · $7,250

2024 Omega Speedmaster Professional Moonwatch “Sapphire Sandwich” with 42mm stainless steel case, sapphire front and exhibition caseback, black step dial, and manual winding Caliber 3861 Master Chronometer movement.

Condition: Excellent (9.5/10)
Case Size: 42mm diameter
Bracelet Condition: pristine, zero desk wear

Posted at

Dec 8, 2025, 12:44 PM

Active

View listing on r/WatchExchange

Omega Speedmaster Silver Snoopy Award 310.32.42.50.02.001 w/ Bracelet x Full Set

Omega - 310.32.42.50.02.001 · $15,000

A 2023 Omega Speedmaster Silver Snoopy Award watch, part of the 50th Anniversary collection, featuring a complete set including bracelet and canvas bands.

Condition: Preowned with light wear (hairline scratches)
Bracelet Type: Fully linked
Canvas Band: yes

Posted at

Dec 8, 2025, 10:28 AM

Active

View listing on r/WatchExchange

Omega Speedmaster Professional Moonwatch Tropical Brown Dial Heavy Patina Blue Insert 1969 (Serviced) 🟤

Omega - 145.022-69 · $15,150

Very rare and fully original Omega Speedmaster Moonwatch 145.022-69 in beautiful condition, featuring a deep, even transformation with heavy yellow patina across all indices and matching hands.

Case Size: 42mm
Year Made: 1969
Movement Status: serviced in November 2025

Posted at

Dec 7, 2025, 6:21 PM

Active

View listing on r/WatchExchange

Omega Speedmaster. 39mm. Triple Date. Clean.

Omega - Speedmaster (no specific reference number given) · $1,875

This Omega Speedmaster is a 39mm triple date model with clean condition.

Condition: Clean
Case Size: 39mm
Location: NJ USA

Posted at

Dec 7, 2025, 3:59 PM

Active

View listing on r/WatchExchange

[WTS] Omega Speedmaster 1957 / Broad Arrow Automatic Chrono 42mm Black Gloss Dial - Cal. 3313 High Horology Co Axial Column Wheel - Full Kit 09/2012 - $4,250 shipped CONUS

Omega Speedmaster 1957 / Broad Arrow Automatic Chrono 42mm Black Gloss Dial - Cal. 3313 High Horology Co Axial Column Wheel - Full Kit 09/2012 - $4,250 shipped CONUS

Omega - 1957 / Broad Arrow Automatic Chrono 42mm · $4,250

This Omega Speedmaster 1957 Broad Arrow chronograph is a full kit with warranty card dated September 2012. It features a high horology Frederic Piguet based movement with a column wheel and Co Axial escapement.

Condition: Excellent (minor wear on bezel and bracelet)
Movement: Omega Caliber 3313 (Frederic Piguet based) with Co Axial escapement and column wheel

Posted at

Dec 6, 2025, 3:49 PM

Active

View listing on r/WatchExchange