Omega Speedmaster Speedmaster Professional Missions Gemini XII

Reference 3597.10.00

About this watch

The Omega Speedmaster Professional Missions Gemini XII stands out as a beacon of excellence in the world of luxury watches. This limited edition timepiece, produced between 1997 and 1998, is a tribute to NASA's Gemini program and features a stunning design that whispers elegance without being loud. The sleek stainless steel case, black dial with stick indexes and dot markers, and tachymeter bezel all contribute to its timeless appeal. Powered by the Omega caliber 1861 movement, a hand-wound chronograph known for its reliability and precision, this watch is suitable for both everyday wear and special occasions. With only 200 units made, owning an Omega Speedmaster Gemini XII is like holding a piece of horological history. Its historical significance adds a layer of intrigue that few other watches can match, making it a must-have for collectors, space enthusiasts, and those who appreciate the finer things in life.

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Key Features

Limited edition of 200 units
Omega caliber 1861 hand-wound chronograph movement
42mm diameter stainless steel case
Black dial with stick indexes and dot markers
Tachymeter bezel for measuring speed
Water resistance of 50 meters
20mm lug width for versatility

Specifications

Brand

Omega

Family

Speedmaster

Model

Speedmaster Professional Missions Gemini XII

Reference

3597.10.00

Movement

1861

Movement Features

Small Seconds, Hours, Minutes
Chronograph

Case

Stainless Steel 42mm

Dial Color

Black

Crystal

Plexi

Water Resistance

Current Listings

Omega Speedmaster Darkside of the Moon 311.92.44.51.01.005

Omega - 311.92.44.51.01.005 · $6,995

For sale is a Omega Speedmaster Dark Side of the Moon, which comes in pristine condition as shown in the pics.

Condition: mint condition
Box and papers: included
Cards: none available

Posted at

May 12, 2026, 4:36 PM

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Omega Speedmaster Date 3511.80.00 – Metallic Blue Dial 39mm – Fresh Service – $1,999 Shipped

Omega - 3513.82.00 · $1,999

This Omega Speedmaster Date features a striking metallic blue sunburst dial and a sportier take on the traditional Moonwatch aesthetic.

Condition: Very good, honest signs of wear consistent with age
Case size (excluding crown): 39mm
Lug-to-lug: 45mm
Thickness: 14mm

Posted at

May 12, 2026, 1:40 PM

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Omega Speedmaster Triple Date 3523.30.00 Silver Dial 39mm – $2,299 Shipped

Omega - 3523.30.00 · $2,299

This Omega Speedmaster Triple Date ref. 3523.30.00 combines classic Speedmaster DNA with a practical full calendar layout featuring day, date, month, chronograph, and 24-hour indicator in a compact case.

Condition: Very attractive condition
Case Size: 39mm (excluding crown)
Lug To Lug: 44mm
Thickness: 14mm

Posted at

May 12, 2026, 1:04 PM

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Omega Speedmaster Marui Panda 3510.21.00 – Full Set – Fresh Service – JDM Limited Edition of 2000pcs – $5,799 Shipped

Omega - 3510.21.00 · $5,799

This Omega Speedmaster Marui Panda is a highly collectible JDM limited edition with a unique white 'Panda' dial and deep black subdials. It features a 39mm case size, lug-to-lug measurement of 44mm, thickness of 12mm, and lug width of 18mm.

Condition: Very attractive condition, strong lines and honest signs of careful wear throughout
Movement: Omega Cal. 3220 automatic chronograph
Case size: 39mm (excluding crown)
Lug-to-lug: 44mm

Posted at

May 12, 2026, 12:19 PM

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Collection Sell Off: OMEGA Speedmaster, WISE ADX GMT, Grand Seiko EVO9 Atera Valley, Seiko Speedtimer, CASIO G-Shock MRG

The seller is listing an OMEGA Speedmaster 3861 Sapphire Sandwich watch, which is in very good condition and running beautifully. It comes with a Forstner Bullet Bracelet.

Posted at

May 12, 2026, 12:15 PM

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Omega Speedmaster 3802.71.53 Automatic Chrnograph White MOP Dial | 2090$

Omega - 3802.71.53 · $2,090

This Omega Speedmaster features a white mother-of-pearl dial with numeral hour markers, combining sporty and elegant looks.

Condition: Good Condition
Case Size: 38mm diameter
Lug Width: 18mm
Movement Type: Chrnograph

Posted at

May 12, 2026, 11:06 AM

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Omega Speedmaster Reduced 3510.50 Mint Full Set $3200

Omega - 3510.50 · $3,200

A beautiful Omega Speedmaster Reduced from 1998 in stainless steel, featuring a specific Speedmaster case with twisted lugs and a matte black dial with Luminova.

Condition: Mint
Case size: 39mm diameter
Movement: automatic Omega caliber 3220 (ETA 2890-2 with Dubois-Depraz chronograph module)
Bracelet: Omega 1469 with sold 813 end links

Posted at

May 12, 2026, 8:59 AM

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