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
- 50
Current Listings
![[WTS] 2023 Omega Speedmaster Professional Moon Watch HESALITE 3861 $6200 USD](https://preview.redd.it/vw173sdtf0vg1.jpg?width=640&crop=smart&auto=webp&s=b30d55a4abad5d0c66b6d0741aab0f70741bff41)
2023 Omega Speedmaster Professional Moon Watch HESALITE 3861 $6200 USD
This is a 2023 Omega Speedmaster Professional Moon Watch HESALITE, in excellent condition. It comes with a micro adjust clasp and has been well taken care of.
- Condition: Excellent
![[WTS] Omega Speedmaster Professional Moonwatch Tropical Brown Dial Heavy Patina Blue Insert 1969 (Box/Serviced) 馃](https://preview.redd.it/d9ickf7850vg1.jpg?width=640&crop=smart&auto=webp&s=13228543cb0cc4b99d7cfc9f2d50376d8c4c3749)
Omega Speedmaster Professional Moonwatch Tropical Brown Dial Heavy Patina Blue Insert 1969 (Box/Serviced) 馃
A 1969 Omega Speedmaster Moonwatch with a tropical brown dial and heavy yellow patina, featuring a period-correct super tropical dial and tritium hands that glow green under UV light.
- Condition: Beautiful condition with heavy patina
- Size: 42mm diameter
- Year: 1969
- Movement serviced: true
![[WTS] 2026 NEW Omega Speedmaster Reverse Panda 310.30.42.50.01.004 Unworn](https://preview.redd.it/4ee5wbgaxzug1.jpg?width=640&crop=smart&auto=webp&s=868fbc8200526f7cd1d5c872414df0fb61b7631f)
2026 NEW Omega Speedmaster Reverse Panda 310.30.42.50.01.004 Unworn
This is a brand new Omega Speedmaster Reverse Panda from 2026, featuring a stainless steel case and bracelet.
- Condition: Like New
- Material: Stainless Steel
- Bracelet material: Stainless Steel
- Case size: 42mm
![[WTS] (Omega) Speedmaster 3594.50 40th Anniversary $3,800](https://preview.redd.it/22e4fdxvrzug1.jpg?width=640&crop=smart&auto=webp&s=8a2ce6d121f15667f84034163f1df4a6d03b603f)
(Omega) Speedmaster 3594.50 40th Anniversary $3,800
A commemorative Omega Speedmaster model introduced in 1997, featuring a modern case and bracelet, designed to resemble the original Speedy.
- Condition: Very good
- Anniversary edition: True
- Case size: 40mm diameter
- Movement type: Modern movement
![[WTS] Omega Speedmaster Moonwatch 3861 Sapphire 310.30.42.50.01.002 ( new / 2026 / box and papers )](https://preview.redd.it/9qcqdfjzpzug1.jpg?width=640&crop=smart&auto=webp&s=cb07f4a5224fae7af73af662a7649e9901bec8bd)
Omega Speedmaster Moonwatch 3861 Sapphire 310.30.42.50.01.002 ( new / 2026 / box and papers )
This is a brand new Omega Speedmaster Moonwatch Professional with a stainless steel case and Master Chronometer movement.
- Condition: Brand new
- Case material: Stainless Steel
- Movement type: Omega Master Chronometer Movement
![[WTS] Omega Speedmaster Moonwatch 3861 Hesalite 310.30.42.50.01.001 ( new / 2026 / box and papers )](https://preview.redd.it/fyyd4z51pzug1.jpg?width=640&crop=smart&auto=webp&s=6c8901a36f658c211be92743abe7b6075c467f6a)
Omega Speedmaster Moonwatch 3861 Hesalite 310.30.42.50.01.001 ( new / 2026 / box and papers )
This Omega Speedmaster Moonwatch Professional Hesalite features a 42mm stainless steel case and is powered by the 3861 Omega Master Chronometer Movement.
- Condition: Brand new
- Case size: 42mm
- Movement: 3861 Omega Master Chronometer Movement
![[WTS] Omega Speedmaster Leather Racing Strap OEM Z019270](https://preview.redd.it/cb4tamf8ozug1.jpg?width=640&crop=smart&auto=webp&s=5ce3a8d3f06cae3d32e704e663f4e52ecfc8fcc8)
Omega Speedmaster Leather Racing Strap OEM Z019270
This is an original leather racing strap from Omega that came with a Speedmaster Professional white dial sapphire sandwich reference 310.32.42.50.04.002 watch.
- Material: Leather (Perforated)
- Color: Black (with white stitching on the outer side and red stitching on the interior)
- Lug width: 20mm
![[WTS] Hruodland Quartz Chronograph- Vintage Omega Speedmaster TV Dial Homage](https://preview.redd.it/ywoevw7lgzug1.jpg?width=640&crop=smart&auto=webp&s=4d18395d90fef52eb95f44f1f7539a64fcb436cd)
Hruodland Quartz Chronograph- Vintage Omega Speedmaster TV Dial Homage
A vintage-inspired quartz chronograph with a cushion case and day-date complication. The watch features a bold design and is in great shape.
- Condition: Excellent, lightly used
- Movement type: Quartz chronograph
- Day-date complication: true
- Bezel function: Tachymeter
![[WTS] Omega Speedmaster Professional Moonwatch Full Steel Yellow Patina 1978 (Serviced)](https://preview.redd.it/zq81q2yigzug1.jpg?width=640&crop=smart&auto=webp&s=ae7e8b2cc7daca8b2b01a8b84eaff6e4603e0fa0)
Omega Speedmaster Professional Moonwatch Full Steel Yellow Patina 1978 (Serviced)
This Omega Speedmaster Professional Moonwatch features a yellow patina black tritium dial and a 42mm case with sharp lugs. The watch is fitted with its original bracelet and has been professionally serviced in February 2026.
- Condition: Very good overall shape with some polishing on the case
- Size: 42mm diameter
- Year: 1978
- Case material: full steel