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: Brand new, unworn
Case size: 42mm diameter
Water resistance: 50m depth rating

Posted at

Mar 7, 2026, 12:44 PM

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

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Posted at

Mar 6, 2026, 8:25 PM

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Condition: UNWORN
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Case size: 39.7mm diameter
Bezel material: black ceramic

Posted at

Mar 6, 2026, 8:15 PM

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2025 UNWORN OMEGA SPEEDMASTER WHITE DIAL 310.30.42.50.04.001 $7799

Omega - 310.30.42.50.04.001 · $7,799

2025 Omega Speedmaster with a white dial for sale.

Condition: Unworn
Dial color: white

Posted at

Mar 6, 2026, 7:32 PM

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Omega - 3510.50 · $2,200

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Condition: Excellent / Serviced 2025
Movement Type: Automatic
Bracelet: Original steel with additional links
Shipping Location: New York City

Posted at

Mar 6, 2026, 5:51 PM

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OMEGA Speedmaster Racing 329.30.44.51.04.001 2022 Full Set

OMEGA - 329.30.44.51.04.001 · $6,200

This Omega Speedmaster Racing is a complete set with inner and outer boxes, manual, COSC card, warranty card, and hang tag.

Condition: Excellent
Warranty Expiration: May 2027
Size: for 7.5” wrist

Posted at

Mar 6, 2026, 4:31 PM

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Condition: great condition with light signs of wear

Posted at

Mar 6, 2026, 4:01 PM

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OMEGA SPEEDMASTER 145.022-69 PREMOON

OMEGA - 145.022-69 · $6,000

A charming vintage chronograph with a great dial and original DO90 bezel, sold with an original Omega bracelet.

Condition: Pre-owned, with signs of wear
Bracelet type: Original 1039
Clasp type: Omega clasp

Posted at

Mar 6, 2026, 3:05 PM

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Omega Speedmaster Professional Moonwatch Full Steel Yellow Patina 1978 (Serviced)

Omega - 145.022-78 · $5,050

This Omega Speedmaster Professional Moonwatch features a black tritium dial with even yellow patina and is presented in its original state with period-correct details.

Condition: Very good overall shape, original condition with some polishing on the case
Year: 1978
Size: 42mm diameter

Posted at

Mar 6, 2026, 10:46 AM

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