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

[US] Omega Speedmaster Chronoscope - White Panda Dial - 43mm - 329.30.43.51.02.002

Omega - 329.30.43.51.02.002 · $5,175

A white panda dial Omega Speedmaster Chronoscope in 43mm size, with minor hairlines on the clasp and bracelet.

Condition: Fantastic
Diameter: 43mm

Posted at

Dec 3, 2025, 8:26 AM

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Omega Speedmaster Professional Moonwatch - 311.30.42.30.01.005 - Big Box - Great Condition

Omega - 311.30.42.30.01.005 · $4,750

A highly sought after Omega Speedmaster Professional Moonwatch 'Big Box' collector's set purchased in 2017, showing great pre-owned condition.

Condition: great pre-owned condition, some normal wear on the stainless steel strap and minor marks on hesalite crystal
Case diameter: 42mm
Band material: stainless steel

Posted at

Dec 2, 2025, 10:48 PM

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Omega Speedmaster Professional Moonwatch – Ref. 145.0022 / 345.0022 – Hesalite – Circa 2005 – Very Clean

Omega - 145.0022 / 345.0022 · $4,000

This is a full-size 42mm manual-wind Moonwatch in very clean pre-owned condition with Hesalite crystal and strong movement.

Condition: Very clean pre-owned condition
Movement Type: Manual wind - Caliber 1861
Crystal Material: Hesalite
Bracelet Type: Stainless steel

Posted at

Dec 2, 2025, 6:16 PM

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OMEGA Speedmaster Hesalite 3861 May 2023 - $5600

OMEGA - 3861 · $5,600

This Omega Speedmaster Professional, also known as The Moonwatch, features a Hesalite crystal and is from May 2023. It comes with its original box, papers, and manual in excellent condition.

Condition: Excellent
Year Of Manufacture: 2023
Crystal Material: Hesalite
Bracelet Adjustment: micro adjust

Posted at

Dec 2, 2025, 2:58 PM

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November 2025 Omega Speedmaster Sapphire Complete Set $7,200 + label

Omega - 310.30.42.50.01.002 · $7,200

The watch is a November 2025 Omega Speedmaster Sapphire Complete Set with micro-adjust clasp, featuring all cards included, travel case, and Speedmaster literature.

Condition: Brand new, fully stickered and unworn
Year: November 2025
Micro-adjust clasp: available
State: Louisiana

Posted at

Dec 2, 2025, 11:11 AM

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Omega Speedmaster Professional “Tokyo 2020 Yellow” – Ref. 522.20.42.30.01.001 – Complete Set – $6500

Omega - 522.20.42.30.01.001 · $6,500

This Omega Speedmaster Professional features a 42mm stainless steel case with yellow gold accents and black dial with gold subdials, powered by the classic hand-wound Caliber 1861 movement. It comes with various accessories as part of its complete set.

Condition: Very good pre-owned
Case diameter: 42mm
Bracelet type: stainless steel
Movement: hand-wound Caliber 1861

Posted at

Dec 1, 2025, 8:50 PM

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Omega OEM Speedmaster Moonwatch Professional Black Fabric Strap & Omega OEM Deployant Clasp

Omega - 032CWZ014117, 94521613 · $475

This Omega Speedmaster Moonwatch Professional features a black fabric strap, stainless steel deployant clasp, and comes with original packaging.

Condition: As New
Strap material: black fabric
Clasp type: Omega OEM Stainless Steel Deployant/16mm
Lug width: 20mm

Posted at

Dec 1, 2025, 5:05 PM

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Omega 20mm OEM Integrated Speedmaster Moonwatch Professional Black Rubber Strap (Sold Out) & Omega OEM Deployant Clasp

Omega - 032Z017245 · $575

A black rubber strap for the Omega Speedmaster Professional, featuring curved ends and a 20mm width. It is no longer available at Omega AD or online.

Strap Ref: 032Z017245 (Black Rubber, curved ends, 20mm/16mm)
Clasp Ref: 94521633 (Omega OEM Stainless Steel Deployant/16mm)
Fitment: Speedmaster Professional (20mm lug)

Posted at

Dec 1, 2025, 4:48 PM

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

Omega - 3551.20.00 · $4,250

This Omega Speedmaster Broad Arrow features a white dial, 42mm case size, and comes as a full set including the watch, box, both manual, and triple cards.

Condition: Fantastic condition with only minor hairlines
Case diameter: 42mm
Bracelet condition: minor hairlines

Posted at

Dec 1, 2025, 8:25 AM

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