Omega Speedmaster Speedmaster Professional Moonwatch Gemini IV 40th Anniversary

Reference 3565.80.00

About this watch

The Omega Speedmaster Professional Moonwatch Gemini IV 40th Anniversary is an iconic timepiece that celebrates a historic milestone with its blend of history, craftsmanship, and style. This limited edition watch features a stunning blue dial with stick and dot indexes, providing excellent legibility in low light conditions. The Omega caliber 1861 movement, handwound and robust, boasts a power reserve of 48 hours. The stainless steel case, with tachymeter bezel, is water-resistant up to 50 meters. This timepiece carries the legacy of adventure and exploration, making it a worthy investment for collectors and enthusiasts alike.
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MSRP: $3,200
Market Price: $7,152

Key Features

  • Omega caliber 1861 handwound movement
  • Stainless steel case with tachymeter bezel
  • Plexiglass crystal with vintage charm
  • Blue dial with stick and dot indexes
  • Water resistance up to 50 meters
  • Limited edition of only 2005 units produced

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster Professional Moonwatch Gemini IV 40th Anniversary
Reference
3565.80.00
Movement
1861
Movement Features
  • Small Seconds, Hours, Minutes
  • Chronograph
Case
Stainless Steel 42mm
Dial Color
Blue
Crystal
Plexi
Water Resistance
50

Current Listings

[WTS] Omega Speedmaster Professional Sapphire Sandwich $6680 2025

Omega Speedmaster Professional Sapphire Sandwich $6680 2025

This Omega Speedmaster Professional is a unique variant known as the Sapphire Sandwich.

  • Price: $6680
Posted at
Jan 18, 2026, 12:42 PM
Active
[WTS] Omega Speedmaster Professional Sapphire Sandwich 2025 $6680

Omega Speedmaster Professional Sapphire Sandwich 2025 $6680

a rare Omega Speedmaster Professional with a sapphire sandwich case and a 2025 model number.

  • Year of production: 2025
Posted at
Jan 18, 2026, 12:34 PM
Active
[WTS] Omega Speedmaster 39mm olympic 3516.20

Omega Speedmaster 39mm olympic 3516.20

Omega - 3516.20 · $2,100
This is a beautiful Omega Speedmaster limited Olympic edition, with minimal signs of wear and coming with an Omega red travel case.

  • Condition: very good condition with minimal sign of wear
  • Case size: 39mm
  • Movement accuracy: -+4/day
  • Included accessories: omega red travel case
Posted at
Jan 17, 2026, 7:29 PM
Active
[WTS] Omega Speedmaster 3861 Bracelet

Omega Speedmaster 3861 Bracelet

Omega - 3861 · $750
This Omega Speedmaster is a brand new model with additional features such as tool free microadjust and it has not been worn.

  • Condition: New, never worn
  • Links included: true
  • Clasp condition: plastic still on
  • Adjustment method: tool free microadjust
Posted at
Jan 17, 2026, 4:39 PM
Active
[WTS] Omega Speedmaster Professional Sapphire Sandwich – Cal. 1863 – New OEM Omega 3861 Bracelet With Quick Adjust Clasp – Spiralwinder Dot Over 90 Ceramic Bezel

Omega Speedmaster Professional Sapphire Sandwich – Cal. 1863 – New OEM Omega 3861 Bracelet With Quick Adjust Clasp – Spiralwinder Dot Over 90 Ceramic Bezel

This Omega Speedmaster Professional Sapphire Sandwich is powered by the highly regarded caliber 1863 and features a Spiralwinder Ceramic DON tachymètre bezel. The watch has been upgraded with a new OEM 3861 bracelet installed at the Omega Boutique.

  • Condition: Excellent
  • Movement: Cal. 1863
  • Crystal: Sapphire front & back
  • Bezel: Spiralwinder Ceramic DON (Dot Over Ninety) tachymètre bezel
Posted at
Jan 17, 2026, 11:51 AM
Active
[WTS] OMEGA Speedmaster 🌘🌑“Dark Side of the Moon”Co-Axial Master Chronometer Chronograph|Ref. 310.92.44.51.01.001| 2025 | Full Set in Like New Condition

OMEGA Speedmaster 🌘🌑“Dark Side of the Moon”Co-Axial Master Chronometer Chronograph|Ref. 310.92.44.51.01.001| 2025 | Full Set in Like New Condition

OMEGA - 310.92.44.51.01.001 · $11,750
The OMEGA Speedmaster 'Dark Side of the Moon' is a modern icon that blends OMEGA's space-faring heritage with advanced materials, crafted entirely in black ceramic for exceptional scratch resistance and lightweight wearability.

  • Condition: Excellent
  • Case size: 44.25 mm
  • Set: Full set (box, papers, 5 year warranty)
  • Movement: Co-Axial Master Chronometer Calibre 9908
Posted at
Jan 17, 2026, 11:13 AM
Active
[WTS] Omega Speedmaster. 39mm. Special Dial.

Omega Speedmaster. 39mm. Special Dial.

Omega - Speedmaster · $2,450
A 39mm Omega Speedmaster with a special texture dial is being sold. The watch is located in NJ USA and comes with the option for a Facetime viewing.

  • Case diameter: 39mm
  • Movement type: automatic
Posted at
Jan 17, 2026, 10:20 AM
Active
[WTS] Omega Speedmaster. 39mm. White Ceramic. Very nice.

Omega Speedmaster. 39mm. White Ceramic. Very nice.

Omega - Speedmaster · $3,100
This Omega Speedmaster is a 39mm watch with white ceramic and strong lume. It's a great timepiece that comes with additional photos available upon request.

  • Case size: 39mm
  • Material: white ceramic
  • Lume strength: strong
Posted at
Jan 17, 2026, 10:17 AM
Active
[WTS] Omega Speedmaster FOIS – Full Set – $4,300 Shipped OBO

Omega Speedmaster FOIS – Full Set – $4,300 Shipped OBO

Omega - Speedmaster FOIS · $4,300
The Omega Speedmaster FOIS is a widely regarded, wearable watch that captures classic early Speedmaster proportions with its 39.7mm straight-lug case.

  • Condition: Very good overall
  • Case size: 39.7mm diameter
  • Movement type: Manual winding
  • Crystal material: Hesalite
Posted at
Jan 16, 2026, 11:54 PM
Active