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] Omega Speedmaster CK2998 Limited Edition (Ref. 311.33.40.30.02.001) – 2016 – #1885/2998 – Full Set $7250](https://preview.redd.it/hkc9z09rl9kf1.jpg?width=640&crop=smart&auto=webp&s=12590635d8e89930e5c760fe312e2c95156eb765)
Omega Speedmaster CK2998 Limited Edition (Ref. 311.33.40.30.02.001) – 2016 – #1885/2998 – Full Set $7250
This is a 2016 Omega Speedmaster CK2998 Limited Edition, one of only 2,998 made worldwide. It features a silver dial with deep blue subdials and tachy bezel.
- Condition: Excellent
- Limited edition quantity: 2998
- Box included: full set: inner/outer box, warranty cards, manuals, Omega presentation box
- Straps included: two Aaron Bespoke straps (purple gator mounted + extra)
![[WTS] 2014 Omega Speedmaster 57 - Full Set (no box)](https://preview.redd.it/uj4m50tht8kf1.jpg?width=640&crop=smart&auto=webp&s=fce4d3209d7d7b7ba9ba9e826b41048d0c524801)
2014 Omega Speedmaster 57 - Full Set (no box)
A 2014 Omega Speedmaster 57 with a 41.5mm case, powered by the caliber 9300 movement.
- Condition: Pre-owned
- Movement: caliber 9300 (column wheel vertical clutch)
![[WTS] Omega Speedmaster. 39mm. Chronograph. Automatic.](https://preview.redd.it/isrgip8kr8kf1.jpeg?auto=webp&s=35a08460840cdff247e52a239d337b75efa0f049)
Omega Speedmaster. 39mm. Chronograph. Automatic.
This Omega Speedmaster is a 39mm chronograph automatic watch, available for sale.
- Case size: 39mm diameter
- Movement type: Automatic
2022 Omega Speedmaster Moonwatch Sapphire 42mm 310.30.42.50.01.002 Mint Complete
This 2022 Omega Speedmaster Moonwatch Sapphire 42mm is a first watch worn on the moon, featuring photos and a video on the seller's website.
- Condition: Minty fresh
- Case size: 42mm
- Year: 2022
- Contents: watch,inner & outer boxes,warranty card,pictogram,master chronometer,instruction booklet,black travel case,hang tag,cleaning cloth,Moonwatch Booklet
Omega Speedmaster Chronograph - Blue - Stainless Steel - 38mm - Mint
This Omega Speedmaster Chronograph features a 38mm stainless steel case, blue dial, and automatic movement.
- Condition: Pre-Owned - Mint
- Case size: 38mm diameter
- Bracelet type: Stainless Steel
- Dial color: Blue

Omega Speedmaster 321 Ed White
This Omega Speedmaster 321 Ed White is an original purchase from a US OB in 2023, worn sparingly since.
- Condition: Good condition with minor scuffs
- Warranty: includes warranty cards
- Links: all links included

2023 Omega Speedmaster �SNOOPY� 50th Anniversary 310.32.42.50.02.001 BOXES/PAPER
This is a 2023 Omega Speedmaster �SNOOPY� 50th Anniversary model, one of the most exclusive pieces in the watch world. It features a stainless steel case with a silver dial and comes with an OEM Omega stainless steel bracelet.
- Condition: Excellent pre-owned
- Case diameter: 42mm
- Water resistance: 50m depth rating
- Movement type: Manual

Omega Speedmaster Moonwatch Sapphire - 3861 - 310.30.42.50.01.002 (new / 2025)
This Omega Speedmaster Moonwatch Professional features a 42mm stainless steel case and is powered by the 3861 Omega Master Chronometer Movement.
- Condition: Brand new
- Case size: 42mm
- Movement type: 3861 Omega Master Chronometer

Omega Speedmaster Moonwatch Hesalite - 3861 - 310.30.42.50.01.001 (new / 2025)
A brand new Omega Speedmaster Moonwatch Professional Hesalite with a stainless steel case and 3861 Omega Master Chronometer movement.
- Condition: Brand new
- Case size: 42mm diameter
- Movement: Omega Master Chronometer