Omega Speedmaster Speedmaster 321 38.6

Reference 311.50.39.30.01.001

Omega Speedmaster 321 38.6

About this watch

The Omega Speedmaster 321 38.6 is a luxurious timepiece that embodies the brand's commitment to excellence. Its Canopus Gold exterior and precision Caliber 321 B movement make it a statement piece for both casual and formal occasions. With its elegant design, durable materials, and water resistance up to 60 meters, this watch is perfect for everyday wear. The iconic tachymeter bezel adds an extra touch of sophistication, while the open case back showcases the intricate inner workings of the movement. This timepiece represents a blend of heritage, craftsmanship, and modern innovation, making it a luxury item worth investing in.
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Key Features

  • 18-carat Canopus Gold alloy
  • Omega Caliber 321 B hand-wound movement with 55-hour power reserve
  • Water resistance up to 60 meters
  • Chronograph and column wheel for precise timekeeping
  • Sapphire crystal for scratch-resistant and clear dial
  • Open case back showcasing intricate inner workings of the Caliber 321 B
  • Tachymeter bezel for measuring speed over a known distance

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster 321 38.6
Reference
311.50.39.30.01.001
Movement
321-b
Movement Features
  • Small Seconds, Hours, Minutes
  • Chronograph, Column wheel
Case
Canopus Gold 38.6mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
60

Current Listings

[WTS] Omega Speedmaster Pro Moon Watch 3570.50 W/1498/840 Bracelet (Watch Only) $3800

Omega Speedmaster Pro Moon Watch 3570.50 W/1498/840 Bracelet (Watch Only) $3800

OMEGA - 3570.50 · $3,800
This Omega Speedmaster Pro Moon Watch is being sold in pre-owned condition, with some marks on the hesalite crystal.

  • Condition: PRE-OWNED
  • Case size: 42MM
  • Box: NO
  • Card/papers: NO
Posted at
Jan 1, 2026, 7:11 PM
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[WTS] Omega Speedmaster Professional 42mm “Sapphire Sandwich” 310.30.42.50.01.002 - 11/2025 Complete Set

Omega Speedmaster Professional 42mm “Sapphire Sandwich” 310.30.42.50.01.002 - 11/2025 Complete Set

Omega - 310.30.42.50.01.002 · $7,350
This is a brand new Omega Speedmaster Professional 'Sapphire Sandwich' 42mm watch, coming with a complete set including the watch itself, 11/2025 card, triple-boxed packaging, serial tag, manual, and Master Chronometer certification.

  • Condition: Like New
  • Case size: 42mm
  • Depth rating: 30m
  • Service history: Unknown
Posted at
Jan 1, 2026, 3:14 PM
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[WTS] 2025 Omega Speedmaster Professional “Sapphire Sandwich” Moonwatch – Latest Model, MINT OPEN BOX CONDITION – Ref. 310.30.42.50.01.002 – COMPLETE SET – USA Warranty thru Aug 2030 – $6,900 FIRM net + 🏷️ within CONUS ($9000 MSRP)

2025 Omega Speedmaster Professional “Sapphire Sandwich” Moonwatch – Latest Model, MINT OPEN BOX CONDITION – Ref. 310.30.42.50.01.002 – COMPLETE SET – USA Warranty thru Aug 2030 – $6,900 FIRM net + 🏷️ within CONUS ($9000 MSRP)

Omega - 310.30.42.50.01.002 · $6,900
The Omega Speedmaster Professional 'Sapphire Sandwich' Moonwatch is the latest generation with a Master Chronometer movement.

  • Condition: Mint open box condition, worn twice
  • Movement: Omega 3861 Master Chronometer
  • Crystal: sapphire crystal front and exhibition sapphire caseback
  • Case Size: 42mm diameter
Posted at
Jan 1, 2026, 2:35 PM
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[WTS] Omega Speedmaster Reduced 3510.50 – Papers & extra Uncle Seiko bracelet

Omega Speedmaster Reduced 3510.50 – Papers & extra Uncle Seiko bracelet

Omega - 3510.50 · $2,800
Up for sale is my Omega Speedmaster Reduced ref. 3510.50, a classic automatic Speedmaster in great overall condition.

  • Condition: Very good, with normal light wear consistent with use
  • Case size: 39mm diameter
  • Movement: Automatic chronograph
  • Year: 2005
Posted at
Jan 1, 2026, 12:09 PM
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[WTS] [EU] Omega Speedmaster Professional 145.022

[EU] Omega Speedmaster Professional 145.022

Omega - 145.022 · $1,250
This Omega Speedmaster Professional is a pre-owned watch in poor condition. The hesalite crystal is badly scratched, and the case and strap are worn out. The chronograph function is not working.

  • Condition: Bad
  • Service history: No service history
  • Chronograph buttons: Bottom button presses in, top button does not press in
  • Movement untouched: Minimum 40-50 years since last opened
Posted at
Jan 1, 2026, 6:56 AM
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[WTS] Omega Speedmaster Professional Moonwatch Full Steel 145.022-69 Ghost Bezel Yellow Patina Step Dial 1969 (Serviced) 🔥

Omega Speedmaster Professional Moonwatch Full Steel 145.022-69 Ghost Bezel Yellow Patina Step Dial 1969 (Serviced) 🔥

Omega - 145.022-69 · $5,425
A classic 1969 Omega Speedmaster Moonwatch featuring the step dial and flat case back, presenting beautifully in full steel with a warm yellow patina and grey 'ghost' bezel.

  • Condition: Serviced, lightly polished case with original step dial and tritium lume
  • Size: 42mm
  • Year: 1969
  • Movement serviced: true
Posted at
Jan 1, 2026, 3:18 AM
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[WTS] Omega Speedmaster Racing “Blue Dial” 40mm 326.30.40.50.03.001 | 2022 Box and Papers

Omega Speedmaster Racing “Blue Dial” 40mm 326.30.40.50.03.001 | 2022 Box and Papers

Omega - 326.30.40.50.03.001 · $3,999
2022 Omega Speedmaster Racing "Blue Dial" 40mm watch with slight wear on the bracelet, sold in its original 2022 box and papers.

  • Condition: Excellent Pre-Owned Condition
  • Bracelet links: 12 full links, couple half links
  • Amp hours: 350
Posted at
Jan 1, 2026, 12:40 AM
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[WTS] OMEGA_Co-Axial_Speedmaster_Racing_326.30.40.50.01.002_Reverse_Panda

OMEGA_Co-Axial_Speedmaster_Racing_326.30.40.50.01.002_Reverse_Panda

OMEGA - 326.30.40.50.01.002 · $2,995
A pre-owned OMEGA Co-Axial Speedmaster Racing watch in good condition, featuring a reverse panda dial. It comes with original authentication cards and an aftermarket box.

  • Condition: Pre-Owned, typical desk diving marks, scuffs on the clasp
  • Water Resistance: 30m
  • Strap Type: Leather, Hirsch
  • Buckle Type: Authentic 18mm OMEGA
Posted at
Dec 31, 2025, 7:21 PM
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[WTS] 2024 Omega Speedmaster Professional 3861 Sapphire Sandwich with OTF clasp

2024 Omega Speedmaster Professional 3861 Sapphire Sandwich with OTF clasp

Omega - 3861 · $6,599
The Omega Speedmaster Professional is a high-end watch featuring an updated clasp and full kit, along with its warranty. It has a good condition with just faint hairlines on the clasp.

  • Condition: excellent to near like new
  • Clasp type: On-the-Finger (OTF)
  • Warranty status: stamped Spring of last year
  • Condition notes: very faint hairlines on the clasp, zero gashes/dings
Posted at
Dec 31, 2025, 5:52 PM
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View listing on r/WatchExchange