Omega Speedmaster Speedmaster Professional Missions Gemini IX

Reference 3597.07.00

About this watch

The Omega Speedmaster Professional Missions Gemini IX is a stunning watch that combines heritage, functionality, and style. This limited edition piece, produced between 1997 and 1998 with only 200 units made, pays homage to the Gemini IX space mission. Its classic black dial, complemented by stick and dot indexes, gives it a refined yet sporty appearance. The round stainless steel case has a diameter of 42mm, making it a perfect fit for most wrists. At the heart of this timepiece lies the Omega caliber 1861, a hand-wound movement known for its reliability and precision. With a power reserve of 48 hours and 18 jewels, you can rely on it to keep perfect time even when not worn for a day or two. The chronograph feature allows you to time events with precision, making it ideal for timing races or tracking daily activities. Constructed from high-quality stainless steel, the Gemini IX is built to withstand daily wear and tear. With a water resistance rating of 50 meters, it can handle splashes and brief immersions in water. This watch's versatility makes it suitable for both formal and casual occasions, thanks to its black dial and stainless steel finish. As part of the 'Moonwatch' line, this timepiece is a piece of space history, making it a collector's dream with its limited availability and historical significance.

Buy Now on Jomashop

This is an affiliate link

Key Features

Omega caliber 1861 movement
42mm round stainless steel case
Plexi glass
50m water resistance
Chronograph feature
Limited edition of 200 units
Hand-wound movement with 48-hour power reserve

Specifications

Brand

Omega

Family

Speedmaster

Model

Speedmaster Professional Missions Gemini IX

Reference

3597.07.00

Movement

1861

Movement Features

Small Seconds, Hours, Minutes
Chronograph

Case

Stainless Steel 42mm

Dial Color

Black

Crystal

Plexi

Water Resistance

Current Listings

Omega Speedmaster Moonphase 304.33.44.52.03 Blue Dial 44.25mm Full Set

Omega - 304.33.44.52.03 · $7,494

A pre-owned Omega Speedmaster Moonphase featuring a blue dial, moonphase complication, and Co-Axial Master Chronometer automatic movement.

Condition: Very good
Case size: 44.25mm diameter
Movement: Co-Axial Master Chronometer automatic
Complications: chronograph and moonphase

Posted at

Feb 9, 2026, 9:53 AM

Active

View listing on r/WatchExchange

Omega Speedmaster Professional Sapphire 3861 - Mint Condition

Omega - 310.30.42.50.01.002 · $5,900

This Omega Speedmaster Professional Sapphire is a high-end timepiece with a sapphire caseback and new bracelet, featuring excellent condition and including the full box presentation and accessories.

Condition: Mint Condition
Bracelet: new
Case back material: sapphire

Posted at

Feb 9, 2026, 7:09 AM

Active

View listing on r/WatchExchange

3220.50 Omega Speedmaster Day-Date Black Dial 40mm $2,150

Omega - 3220.50 · $2,150

This Omega Speedmaster Day-Date features a black dial and is 40mm in size.

Condition: Good condition with little signs of use
Wrist size fit: about 18.5cm
Service history: recently serviced with excellent timegrapher numbers
Polish option: full polish and service can be requested prior to purchase

Posted at

Feb 9, 2026, 1:59 AM

Active

View listing on r/WatchExchange

OMEGA Speedmaster "Dark Side of the Moon" Apollo 8 Ref. 311.92.44.30.01.001 + Apollo 8 Gen2 Strap + Deployant Clasp - ULTIMATE SET! 🔥$10,000🔥

OMEGA - 311.92.44.30.01.001 · $10,000

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 laser-ablated dial representing the lunar surface.

Condition: UNWORN
Case diameter: 44.25mm
Movement: Calibre 1869

Posted at

Feb 8, 2026, 7:44 PM

Active

View listing on r/WatchExchange

OMEGA Speedmaster Calibre 321 "Ed White" Ref. 311.30.40.30.01.001 - ULTIMATE SET! 🔥$17,500🔥

OMEGA - 311.30.40.30.01.001 · $17,500

A faithful recreation of the Speedmaster Calibre 321, famously worn by astronaut Ed White during America's first spacewalk, featuring a stainless steel case and iconic straight lugs.

Condition: UNWORN
Case Material: stainless steel
Diameter: 39.7mm
Movement: Calibre 321 column-wheel chronograph movement

Posted at

Feb 8, 2026, 7:32 PM

Active

View listing on r/WatchExchange

Omega Speedmaster Professional, White Lacquer Dial - BNIB - $7,000

Omega - 310.30.42.50.05.001 · $7,000

The Omega Speedmaster Professional features a white lacquer dial and is a Master Chronometer with Cal. 3861 movement.

Condition: BNIB, perfect 10/10 condition
Movement: Master Chronometer Omega Cal. 3861
Strap material: black rubber

Posted at

Feb 8, 2026, 6:24 PM

Active

View listing on r/WatchExchange

Omega Speedmaster DSOTM - Vintage Edition

Omega - 311.92.44.51.01.006 · $6,600

This Omega Speedmaster Dark Side of the Moon Vintage Edition is a rare and no longer made version, featuring a black ceramic case with good specifications including a +0s/day accuracy.

Condition: Nearly perfect
Case Diameter: 44mm
Lug To Lug: 49mm
Weight: 99 grams

Posted at

Feb 8, 2026, 4:34 PM

Active

View listing on r/WatchExchange