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 OEM Integrated Speedmaster Moonwatch Rubber Strap with OEM Clasp - (Backordered thru Omega) $550 shipped

Omega - 032Z017245, STZ007387 · $550

Additional Details: Ref: STZ007387 Omega OEM stainless steel deployant clasp (16mm) Designed for the Omega Speedmaster Professional with 20mm lugs.

Condition: Very Good
Lug size: 20mm
Clasp type: 16mm stainless steel deployant clasp

Posted at

May 8, 2026, 7:55 PM

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OMEGA Speedmaster "Dark Side of the Moon" Apollo 8 Ref. 311.92.44.30.01.001 + Apollo 8 Gen2 Strap + Deployant Clasp - ULTIMATE SET! 🔥$8,600🔥 [PRICED TO SELL]

OMEGA - 311.92.44.30.01.001 · $8,600

The OMEGA Speedmaster 'Dark Side of the Moon' Apollo 8 watch commemorates the 50th anniversary of the Apollo 8 mission, featuring a black ceramic case and a laser-ablated dial representing the lunar surface.

Condition: UNWORN
Movement: Calibre 1869
Case material: black ceramic
Diameter: 44.25mm

Posted at

May 8, 2026, 7:34 PM

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Omega Speedmaster Professional Ref. 145.012-67 SP. Pre-Moon Full Collector's Set!

Omega - 145.012-67 · $17,000

This Omega Speedmaster Professional Ref. 145.012-67 SP is a Pre-Moon Speedmaster in its final and most desirable form. It's a full set with the original Omega box and international guarantee papers dated August 22, 1968.

Condition: Pre-owned, with signs of wear consistent with age
Movement: Caliber 321 (Serial 26.xxx.xxx)
Case size: 42mm diameter
Bracelet type: 1039/516 flat-link-style

Posted at

May 8, 2026, 5:41 PM

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Omega. Speedmaster. Date Chrono. Great Condition. $1849 Only

Omega - 3513.50 · $1,849

A Omega Speedmaster Date Chrono in great condition, featuring a 39mm case.

Condition: 9/10
Bracelet length: ~6.75 inch
Case size: 39mm

Posted at

May 8, 2026, 3:31 PM

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Omega. Speedmaster. Reverse Panda. $1849 Only

Omega - Speedmaster · $1,849

A well-maintained Omega Speedmaster, also known as a Reverse Panda, available for sale. The watch features a 39mm diameter and is on its original OEM bracelet.

Condition: 9/10
Bracelet size: 39mm diameter
Wrist fit: ~7inch

Posted at

May 8, 2026, 3:25 PM

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2021 SERVICED Omega Speedmaster Apollo 8 Dark Side of the Moon 311.92.44.30.01.001 B&P

Omega - 311.92.44.30.01.001 · $8,500

The Omega Speedmaster Dark Side of the Moon Apollo 8 is one of the most striking modern Speedmasters — full black ceramic, skeleton dial, and a movement laser-engraved to look like the lunar surface. The yellow accents give it that bold, mission-ready look you can spot across the room.

Condition: Good condition with very few signs of wear, mainly on the leather strap
Case Size: 44.25mm
Movement Caliber: Omega Calibre 1861
Power Reserve: 48 hours

Posted at

May 8, 2026, 3:05 PM

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