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 Speedmaster Racing Steel Gold Grey Dial Mens Watch 329.23.44.51.06.001

Omega - 329.23.44.51.06.001 · $9,500

The Omega Speedmaster Racing combines racing heritage with contemporary materials, featuring a grey dial with orange details and an 18k Sedna gold bezel.

Case size: 44.25mm
Movement: Omega Caliber 9900 (Automatic, Master Chronometer Certified)
Dial color: Grey with orange accents

Posted at

Apr 8, 2026, 3:09 PM

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2025 Omega Speedmaster SILVER SNOOPY AWARD Full Set w/Strap AND Bracelet!!

Omega - 310.32.42.50.02.001 · $16,500

A highly sought-after Omega Speedmaster Silver Snoopy Award 50th Anniversary watch, featuring a stunning silver dial with blue accents and an animated caseback that showcases Snoopy traveling across space.

Movement: Omega Caliber 3861 (Manual Wind, Master Chronometer Certified)
Case size: 42mm diameter
Dial color: silver with blue accents

Posted at

Apr 8, 2026, 3:03 PM

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Omega Speedmaster Full Set 310.30.42.50.01.001

Omega - 310.30.42.50.01.001 · $5,750

This is the latest generation Omega Speedmaster Moonwatch Professional featuring Omega's Master Chronometer Caliber 3861 and a classic Hesalite crystal.

Movement: Omega Caliber 3861 (Manual Wind, Master Chronometer Certified)
Diameter: 42mm
Crystal type: Hesalite

Posted at

Apr 8, 2026, 2:58 PM

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Omega Speedmaster Moonwatch Sapphire Sandwich

Omega - 310.30.42.50.01.002 · $5,899

This Omega Speedmaster Moonwatch Sapphire Sandwich features a black dial and 42mm size, making it a stylish and functional timepiece.

Condition: Excellent
Case size: 42mm
Bracelet length: up to 8in (fully linked)
Crystals: sapphire front and back

Posted at

Apr 8, 2026, 12:59 PM

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Omega Speedmaster FOIS REF 311.32.40.30.01.001, Ed White mod, RESERVED

Omega - 311.32.40.30.01.001 · $3,500

A first generation Omega Speedmaster FOIS with several mods that honor the legendary Ed White Speedmaster, including a vintage logo dial and a ceramic bezel.

Condition: Very good, with some wear from occasional usage
Mods: Original dial swapped for a Broad Arrow 3594.50q dial, Alpha-hands replaced with baton hands, original bezel replaced with a Spiralwinder Ceramic bezel, closed caseback replaced with a Spiralwinder open caseback, strap replaced with a Forstner historic-accurate JB Komfit mesh, additional Forstner Flat Link Bracelet provided
Bracelets: [object Object]
Box And Papers: yes

Posted at

Apr 8, 2026, 12:41 PM

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Omega Speedmaster “Ed White” Cal. 321 Tropical Dial Heavy Patina (Serviced)

Omega - 105.003-65 · $9,850

This Omega Speedmaster Ed White Ref. 105.003-65 is in very good condition, with a well-preserved stainless steel case and a stunning brown tropical dial that has developed rich patina over time.

Condition: very good condition
Size: 39mm diameter
Year: 1965
Material: stainless steel case

Posted at

Apr 8, 2026, 11:35 AM

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🔥OMEGA SPEEDMASTER PROFESSIONAL REVERSE PANDA BRAND NEW 2026!!🔥

OMEGA - 310.30.42.50.01.004 · $10,600

A brand new OMEGA Speedmaster Professional Reverse Panda, featuring a beautiful reverse panda dial and stainless steel case.

Condition: New/Unworn
Case size: 42mm diameter
Material: Stainless Steel
Year: 2026

Posted at

Apr 7, 2026, 10:22 PM

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Museum Quality Vintage 18K Gold Omega Speedmaster “Tribute to Astronauts” Ref BA145.022 Unpolished Grail Example!!!

Omega - BA145.022-69 · $48,500

This is a rare and historic Omega Speedmaster, one of the first ever solid gold watches made by Omega. It has a 18K gold dial with onyx hour markers and a correct maroon bezel.

Condition: Museum quality, unpolished, all original with patina forming on the gold
Case size: 42MM
Bracelet length: approx 7.5 inches

Posted at

Apr 7, 2026, 9:53 PM

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[WTS] OMEGA Speedmaster 3861 Moonwatch Sapphire Sandwich - 2025 Card - Spiralwinder DON Lumed Ceramic Black Bezel installed ($250) - OEM Bezel Included - Full Kit

OMEGA Speedmaster 3861 Moonwatch Sapphire Sandwich - 2025 Card - Spiralwinder DON Lumed Ceramic Black Bezel installed ($250) - OEM Bezel Included - Full Kit

Omega - 3861 · $6,600

This Omega Speedmaster Sapphire Sandwich features a quick adjust clasp, Sapphire sandwich case, and the 3861 movement. It has been daily worn for a year with light desk dive marks.

Condition: good condition with light desk dive marks
Movement: 3861
Bezel type: ceramic
Warranty card date: January 2025

Posted at

Apr 7, 2026, 6:09 PM

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