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
- 50
Current Listings

Pre-Owned Omega Speedmaster Dark Side of the Moon Apollo 8 311.92.44.30.01.00
A pre-owned Omega Speedmaster Dark Side of the Moon Apollo 8, a black ceramic watch with a hand-wind movement and 50m water resistance.
- Condition: 95% condition, faint marks on sides and back of case, strap in 94% condition due to minor wear and creasing
- Movement: Hand-Wind
- Case size: 44mm diameter
- Material: Ceramic
![[WTS] 2019 Omega Speedmaster 57’ 40.5mm Black Dial 331.10.42.51.01.001](https://external-preview.redd.it/pDI5q-1kFE2D4EYw6gUbP66AbF5kbzSXoq_NI-gGJnw.jpeg?auto=webp&s=cb549b11a739357771bb748133c3fced55bad53d)
2019 Omega Speedmaster 57’ 40.5mm Black Dial 331.10.42.51.01.001
2019 Omega Speedmaster 57' with a 40.5mm black dial, featuring full links and a double-boxed package.
- Condition: Excellent Pre-Owned Condition
- Diameter: 40.5mm
![[WTS] 2024 Omega Speedmaster Moonwatch Professional Hesalite 310.32.42.50.01.001](https://external-preview.redd.it/iY-R8yC61XitR3UZNJJqp7as7uEwoxCd-VgUo-YKcsY.jpeg?auto=webp&s=4390575a4e9e097ac4d507111f59cba94b6e24f2)
2024 Omega Speedmaster Moonwatch Professional Hesalite 310.32.42.50.01.001
2024 Omega Speedmaster Moonwatch Professional with Hesalite crystal, 42mm diameter, and Master Chronometer certification.
- Condition: Excellent Pre-Owned Condition
- Case Size: 42mm diameter
![[WTS] Omega Speedmaster Chronoscope - White Panda Dial - 43mm - 329.30.43.51.02.002 - Full Set](https://external-preview.redd.it/Y3N5a2twM2JqNDhmMVn99S7j1BCF-bdV_30u-MGPEe30jx-fRXgvlKaLijIA.png?format=pjpg&auto=webp&s=05180b75cb129cafbe8db8ea41843f50a0cc40b9)
Omega Speedmaster Chronoscope - White Panda Dial - 43mm - 329.30.43.51.02.002 - Full Set
The Omega Speedmaster Chronoscope features a distinctive white panda dial with three timing scales in a 1940's design, including tachymeter, pulsometer, and telemeter scales.
- Condition: exceptional, mint condition with slight marks on the clasp and case side
- Diameter: 43mm
OCT 2024 Omega Speedmaster racing 9900 44.25mm 329.33.44.51.01.001
This Omega Speedmaster racing watch features a 44.25mm case size, is from the factory in October 2024, and has a retail price of $9200 plus tax.
- Condition: Good condition and full set
- Case Size: 44.25mm
- Warranty Date: OCT 2024
- Retail Price: $9200 plus tax
![[WTS] 2009 Omega Speedmaster Alaska Project - 311.32.42.30.04.001- 42mm - Near Full Set [US]](https://external-preview.redd.it/8jpGnTuv0KCq-daOd6HkIvyHdrHq_XO8sbNbtkQ07eE.jpeg?auto=webp&s=80b2834016312fe27a89d284d46f5956d17d7555)
2009 Omega Speedmaster Alaska Project - 311.32.42.30.04.001- 42mm - Near Full Set [US]
A nearly complete set of the 2009 Omega Speedmaster Alaska Project, a 42mm watch that functions perfectly mechanically.
- Condition: Excellent condition with hairlines at most
- Size: 42mm diameter
- Set completeness: nearly full set
Omega Speedmaster Moonphase Moonwatch Moonwatch Blue 44mm 304.33.44.52.03.001 Leather
A 44mm stainless steel Omega Speedmaster Professional Moonwatch with a blue dial, sapphire crystal, and automatic self-winding movement. It features a chronograph, date indicator, and moonphase function.
- Condition: Very good condition with signs of wear as pictured
- Case Diameter: 44.25mm
- Band Material: Dark Blue Leather Strap
- Crystal Type: Sapphire

Omega Speedmaster Date 3210.50.00
A pre-owned Omega Speedmaster Date with a date display, chronograph functions, and a stainless steel bracelet.
- Condition: Excellent condition
- Bracelet size: 7.5" wrist
- Links removable: 7
![[WTS] Omega Speedmaster Date 3210.50.00](https://preview.redd.it/o3pgvgpymy7f1.jpeg?auto=webp&s=fe994aecc3b43528d62e72e3c70686da26075c8e)
Omega Speedmaster Date 3210.50.00
A Omega Speedmaster Date in good working order with a 7.5 inch wrist size and a removable bracelet.
- Condition: Excellent
- Bracelet length adjustment: 7 removable links
- Wrist size compatibility: up to 7.5"
- Features verified via video conference: true