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
![[WTS] Omega Speedmaster Sapphire Sandwich 310.30.42.50.01.002](https://preview.redd.it/oirmj9sz74gg1.jpeg?auto=webp&s=fb32fd10f8a29d2a569d853b023a2de4ede2e28f)
Omega Speedmaster Sapphire Sandwich 310.30.42.50.01.002
A Omega Speedmaster Moonwatch Professional with a 3861 movement and sapphire crystal caseback.
- Condition: Excellent, minor fitment issue on the bracelet
- Movement: Calibre 3861
- Bracelet size: ~7.5" wrist, with 2 extra links for adjustment
![[WTS] Omega Speedmaster FOIS 310.30.40.50.06.001 — Full Set — 2024 — Warranty to 2029](https://preview.redd.it/hemi12pe54gg1.jpg?width=640&crop=smart&auto=webp&s=6a7d367728696db05dc5aa3bff78fb3d181bc43f)
Omega Speedmaster FOIS 310.30.40.50.06.001 — Full Set — 2024 — Warranty to 2029
This Omega Speedmaster FOIS is a modern reissue of the model worn by astronaut Wally Schirra during the Mercury-Atlas 8 mission. It features straight lugs, a symmetrical case, and the hand-wound Caliber 3861 with Master Chronometer certification.
- Condition: great pre-owned condition, light normal wear
- Caliber: hand-wound Caliber 3861
- Warranty Expires: 2029
- Case Size: 40mm diameter
![[WTS] 2024 Omega Speedmaster Moonphase Chronograph 304.30.44.52.01.001 Black Dial B+P](https://preview.redd.it/pkkjo446z3gg1.jpeg?width=640&crop=smart&auto=webp&s=392d9646c7080316bbbe5543b37af062dc694c63)
2024 Omega Speedmaster Moonphase Chronograph 304.30.44.52.01.001 Black Dial B+P
This Omega Speedmaster Moonphase Chronograph features a striking black dial with iconic chronograph and moonphase complication, blending precision engineering with timeless space-inspired heritage.
- Condition: Excellent, 96%
- Case Diameter: 44mm
- Crystal: Sapphire
- Bracelet Material: Steel
![[WTS] (Serviced) Omega Speedmaster Reduced Sapphire Crystal 3539.50 39mm $2,700](https://preview.redd.it/4yp1iq9vb0gg1.jpeg?width=640&crop=smart&auto=webp&s=953dc7852a7477fe8466e0b3d8104e9be3f6e831)
(Serviced) Omega Speedmaster Reduced Sapphire Crystal 3539.50 39mm $2,700
- Case diameter: 39mm
![[WTS] Omega Speedmaster Mark II. 327.10.43.50.01.001.](https://preview.redd.it/g6beatfjzzfg1.jpeg?auto=webp&s=ca1359903880ad404f5543712b55eade30755f20)
Omega Speedmaster Mark II. 327.10.43.50.01.001.
This Omega Speedmaster Mark II is a high-end watch with a large wrist size. It's in very good condition and comes with additional photos available upon request.
- Condition: Very good condition
- Wrist size: large
![[WTS] Omega Speedmaster. 39mm. Special Dial.](https://preview.redd.it/eh94zhexlzfg1.jpeg?auto=webp&s=31d89f6b5277d969b7013e37e33bbd0828dd1cbd)
Omega Speedmaster. 39mm. Special Dial.
This is an Omega Speedmaster with a 39mm case, featuring a special dial and automatic movement.
- Case size: 39mm diameter
- Dial texture: Gorgeous texture dial
![[WTS] 2026 Omega Speedmaster Sapphire Sandwich - BRAND NEW! *$7300*](https://preview.redd.it/fq951c0hzyfg1.jpeg?width=640&crop=smart&auto=webp&s=7b8199906d8b7e1773fef0c260aab71917f400ea)
2026 Omega Speedmaster Sapphire Sandwich - BRAND NEW! *$7300*
A brand new Omega Speedmaster with a black dial, comes with full kit and warranty.
- Condition: Brand New
- Diameter: 40mm
![[WTS] Omega Speedmaster 3861 'Hesalite' edition Warranty dated 2020 $3900](https://preview.redd.it/kv8yjqhe2xfg1.jpg?width=640&crop=smart&auto=webp&s=7c839eab74ff5bb138a08791093b07c3770f5a65)
Omega Speedmaster 3861 'Hesalite' edition Warranty dated 2020 $3900
Warranty dated 2020.
![OMEGA SPEEDMASTER PROFESSIONAL MOONWATCH 35735000 also known as Sapphire Sandwich. Warranty card dated 2011. Comes with all accessories, box and papers as bought new. Can provide references to serious buyer. [WTS] $5750](https://preview.redd.it/mzuiyiensufg1.jpg?width=640&crop=smart&auto=webp&s=1587017ddf9fe3d991f252584ad8e924efd3b780)
OMEGA SPEEDMASTER PROFESSIONAL MOONWATCH 35735000 also known as Sapphire Sandwich. Warranty card dated 2011. Comes with all accessories, box and papers as bought new. Can provide references to serious buyer. $5750
This Omega Speedmaster Professional Moonwatch, also known as the Sapphire Sandwich, is a pre-owned timepiece with a warranty card dated 2011. It comes with all original accessories, box, and papers.
- Condition: New with accessories and box
- Year: 2011