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 "Silver Snoopy" Speedmaster 2025

Omega - 2025 Silver Snoopy Award Speedmaster · $15,499

A commemorative edition Omega Speedmaster Silver Snoopy Award presented in brand new condition to honor NASA's 1970 Silver Snoopy Award for Omega's role in the safe return of Apollo 13.

Condition: Brand new, unworn
Case diameter: 42mm
Water resistance: 50m depth rating
Movement: Omega Co-Axial Master Chronometer Calibre 3861

Posted at

Dec 30, 2025, 4:04 PM

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2023 Omega Speedmaster Racing 44.2mm 329.32.44.51.01.001 Stainless Steel Black Dial - $5,700

Omega - 329.32.44.51.01.001 · $5,700

2023 Omega Speedmaster Racing with a stainless steel black dial, 44.2mm in size.

Condition: Excellent overall condition
Case material: Stainless Steel
Diameter: 44.2mm
Water resistance: null

Posted at

Dec 30, 2025, 3:10 PM

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Omega Speedmaster Professional Moonwatch - White Dial - Full Set w. Multiple OEM Bands

Omega - Speedmaster Professional Moonwatch · $7,700

This Omega Speedmaster Professional Moonwatch features a beautiful white lacquered dial with red lettering and is equipped with a sapphire crystal and sapphire display caseback housing the 3861 movement.

Condition: very good condition
Diameter: 42mm
Case material: metal
Band count: 4

Posted at

Dec 30, 2025, 1:42 PM

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NEW 2025 Omega Speedmaster Silver Snoopy Award 310.32.42.50.02.001 - $15,250

Omega - 310.32.42.50.02.001 · $15,250

NEW 2025 Omega Speedmaster Silver Snoopy Award

Year: 2025
New: yes, new watch

Posted at

Dec 30, 2025, 12:28 PM

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Omega Speedmaster Professional “Sapphire Sandwich” 3861 – Full Set – $5,999

Omega - Speedmaster Professional 3861 · $5,999

This is the 2021 Omega Speedmaster Professional Sapphire Sandwich, powered by the caliber 3861 Master Chronometer movement. It features a sapphire crystal on the front and an exhibition sapphire caseback showcasing the beautifully finished manual-wind movement.

Condition: Excellent overall
Movement type: caliber 3861 Master Chronometer manual-wind

Posted at

Dec 30, 2025, 6:59 AM

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Omega Speedmaster (FOIS) Ref. 311.32.40.30.01.001 Full Set + 2 Extra OEM Bracelets

Omega - 311.32.40.30.01.001 · $4,430

This Omega Speedmaster (FOIS) Ref. 311.32.40.30.01.001 is a full set with two extra OEM bracelets, featuring a manual wind Omega Caliber 1861 movement and a 39.7mm case size.

Condition: Very good overall condition
Case Size: 39.7mm
Movement: Omega Caliber 1861, manual wind
Year: 2018

Posted at

Dec 30, 2025, 12:30 AM

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PRICED TO SELL - Omega Speedmaster “The 1957 Trilogy” 60th Anniversary Limited Edition 311.10.39.30.01.001 - With accessories - repost

Omega - 311.10.39.30.01.001 · $6,650

This Omega Speedmaster is the 'The 1957 Trilogy' 60th Anniversary Limited Edition, coming with various accessories.

Condition: Excellent pre-owned condition
Accessories included: booklets, straps, strap changer, travel case, tag, double box, undated card

Posted at

Dec 29, 2025, 8:51 PM

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OMEGA SPEEDMASTER PROFESSIONAL SAPPHIRE SANDWICH 311.30.42.30.01.006

Omega - 311.30.42.30.01.006 · $4,850

A pre-owned Omega Speedmaster Professional Moonwatch 'Sapphire Sandwich' reference number 311.30.42.30.01.006, featuring a hand-winding mechanical movement with a power reserve of approximately 48 hours.

Condition: Pre-owned with minimal signs of wear
Movement: Omega Calibre 1863; Hand-winding mechanical movement with approximately 48 hours power reserve
Case: 42mm steel case with Black PVD Ring showing Tachymeter Markings
Crystal: Domed, scratch-resistant sapphire crystal with anti-reflective treatment inside

Posted at

Dec 29, 2025, 6:06 PM

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Omega Speedmaster Reduced - 39mm Two Tone - Ref 175.0033

Omega - 175.0033 · $2,895

A beautiful Omega Speedmaster Reduced with a white dial, this watch is running well with all functions working as they should.

Condition: great vintage condition
Case size: 39mm
Bezel and case wear: light hairlines
Strap type: high quality leather AM strap from Casanova

Posted at

Dec 29, 2025, 5:06 PM

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