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

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Condition: Restored with new dial, hands, crystal, bracelet, and movement overhaul
Movement: Caliber 321
Diameter: 40mm

Posted at

Jun 17, 2025, 10:47 AM

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Condition: Pre-owned with surface scratches
Movement: Omega Caliber 1155/Valjoux 7750
Manufacture date: 1990s
Thickness: 13.5mm

Posted at

Jun 17, 2025, 10:26 AM

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Condition: Excellent pre-owned condition
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Dial Condition: pristine
Crystal Condition: pristine

Posted at

Jun 17, 2025, 9:21 AM

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Condition: Immaculate
Outer Box: Yes
Inner Box: Yes
Operating Booklet: Yes

Posted at

Jun 16, 2025, 7:16 PM

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Case material: Ceramic
Case size: 44.25mm
Movement type: Omega Co-Axial Calibre 9300

Posted at

Jun 16, 2025, 3:32 PM

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Condition: Like New/Unworn
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Bracelet material: Steel
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Jun 16, 2025, 3:21 PM

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Condition: pristine condition
Service Date: 6/25
Warranty Expires: 6/4/2025

Posted at

Jun 16, 2025, 11:26 AM

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Condition: Good condition for age, with some scratches and minor wear
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Lug To Lug Width: 46mm

Posted at

Jun 16, 2025, 10:28 AM

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Omega - 311.30.42.30.01.006 · $5,369

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Condition: great overall condition with minor wear only seen upon close inspection
Box Papers: true
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Case Back Engraving: The First Watch Worn on The Moon

Posted at

Jun 16, 2025, 9:43 AM

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