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
Omega Speedmaster Racing – Complete Set
This Omega Speedmaster Racing Master Chronometer features a 44.25mm stainless steel case on a brown leather strap with a black ceramic bezel ring and is powered by the OMEGA Co-Axial Master Chronometer 9900 movement.
- Condition: Excellent, Mint condition with few signs of wear
- Case material: Stainless Steel
- Diameter: 44.25 mm
- Movement type: Self-winding
![[WTS] Omega Speedmaster Professional Sapphire 1863 311.30.42.30.01.006 - $4,195 💵](https://preview.redd.it/cyae959tpmxe1.jpg?width=640&crop=smart&auto=webp&s=75f2be126bff22d6d40f659b0401450f2772a899)
Omega Speedmaster Professional Sapphire 1863 311.30.42.30.01.006 - $4,195 💵
A Omega Speedmaster Moonwatch Professional watch functions perfectly mechanically and is a great everyday option.
- Condition: amazing condition
- Bracelet size: fits a 6.5 inch wrist
![[WTS] Omega Speedmaster Professional 3590.50 - $3650 Shipped ✈️](https://preview.redd.it/ziu3db8qnmxe1.jpg?width=640&crop=smart&auto=webp&s=81a03481a2e98469ebbd31e164780557afc98675)
Omega Speedmaster Professional 3590.50 - $3650 Shipped ✈️
a beautiful Omega Speedmaster Professional Moonwatch with Tritium dial and Calibre 861 movement.
- Condition: good working order, with some cosmetic wear as seen in photos
- Wrist size: 7.5inch
![[WTS] 2000 Omega Speedmaster 'Reduced' Ref. 3510.50 with Box & Papers](https://preview.redd.it/gesor8xxdmxe1.jpeg?auto=webp&s=acafe7424b4ed7b8cb41d0b05e93f6b2d63ace9c)
2000 Omega Speedmaster 'Reduced' Ref. 3510.50 with Box & Papers
The Omega Speedmaster Reduced Automatic is a pre-owned watch in excellent condition, measuring 39mm and featuring a Luminova dial.
- Condition: Excellent (very little to no signs of wear)
- Movement: Automatic
- Case Width: 39mm
- Straps Length: 7.25 inches
![[WTS] 2013 Omega Speedmaster 'Reduced' Ref. 3539.50 with Papers | Serviced 2025](https://preview.redd.it/sknu9xh5dmxe1.jpeg?auto=webp&s=c60f065f8e37ec050491edc1eefe1f7b66d2cfbe)
2013 Omega Speedmaster 'Reduced' Ref. 3539.50 with Papers | Serviced 2025
This Omega Speedmaster Reduced Automatic features a 39mm case and is in excellent pre-owned condition, with a scratch resistant sapphire crystal and upgraded fold over clasp.
- Condition: Excellent (little to no signs of wear)
- Movement: Automatic
- Case width: 39mm diameter
- Straps length: 7.50 inches (strap)
JAN 2025 Omega Speedmaster racing 9900 44.25mm 329.30.44.51.01.001 Speedy
This Omega Speedmaster racing watch is a 2025 model with a 44.25mm case, featuring a steel chronograph function.
- Condition: Mint and full set
- Case diameter: 44.25mm
- Serial number: blurred for security/privacy reasons
![[WTS] OMEGA Speedmaster '57 40.5mm Blue Dial 332.10.41.51.03.001 Complete Set 2023](https://external-preview.redd.it/Mh5OTG2XMu9BRZK60vfJ05hYCGVBEHSeUm750RwOIig.jpg?auto=webp&s=24f60256885ac3977cbf1ad9325c336b94ea2fb0)
OMEGA Speedmaster '57 40.5mm Blue Dial 332.10.41.51.03.001 Complete Set 2023
The OMEGA Speedmaster '57 features a stainless steel case and a blue dial, inspired by the 1957 original. It is a modern take on a classic design.
- Condition: Excellent condition with little to no signs of wear.
- Year Of Production: 2023
- Case Size: 40.5mm
- Set Contents: inner box,outer box,warranty card,pictogram,master chronometer,card sleeve,instruction booklet,hang tag
![[WTS] (Omega Speedmaster Professional Moonwatch)](https://preview.redd.it/2w3xe2lhalxe1.jpeg?auto=webp&s=a3414be0a7cd63400507c7ec8a837ec686d02788)
(Omega Speedmaster Professional Moonwatch)
This Omega Speedmaster Professional Moonwatch is a beautifully maintained watch with near perfect condition.
- Condition: near perfect
- Buckle type: OEM deployant

Omega Speedmaster Silver Snoopy Award 50th - 31032425002001 UNWORN
This Omega Speedmaster 'Silver Snoopy Award' 50th Anniversary watch was originally purchased in December 2022 and remains in its original packaging with outer/inner boxes, warranty booklet, etc. It's an iconic watch reportedly at the end of its production run, with a potential price increase expected soon.
- Condition: UNWORN, as-new condition
- Box set included: true
- Outer/inner omega boxes included: true
- Warranty booklet included: true