Omega Speedmaster Speedmaster Professional Moonwatch MIR 365 Stainless Steel

Reference 3896.50.00

About this watch

The Omega Speedmaster Professional Moonwatch MIR 365 is an exceptional timepiece that embodies the spirit of adventure and exploration. Its rich history, technical prowess, and stunning design make it a coveted piece for collectors and enthusiasts alike. This limited edition watch features a hand-wound movement with 18 jewels and a power reserve of 48 hours, making it a robust and reliable choice for a chronograph. The black matte finish of the dial is both sophisticated and practical, ensuring legibility in various conditions. With its stainless steel case, sapphire glass, and closed back, this watch exudes durability and elegance. Whether you're dressing up or going casual, the Speedmaster MIR 365 complements all styles with its classic stick and dot indexes. Its water resistance of 50 meters makes it versatile enough for everyday use, while its historical significance adds an emotional layer to owning a Speedmaster, especially a limited edition like the MIR 365.
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Key Features

  • Hand-wound Omega Caliber 861 movement
  • 18 jewels and 48-hour power reserve
  • Stainless steel case with sapphire glass
  • Black matte dial with stick and dot indexes
  • Water resistance of 50 meters
  • Limited production run of 28 units
  • Historical significance as part of the Speedmaster Moonwatch series

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster Professional Moonwatch MIR 365 Stainless Steel
Reference
3896.50.00
Movement
861
Movement Features
  • Small Seconds, Hours, Minutes
  • Chronograph
Case
Stainless Steel 42mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
50

Current Listings

[WTS] Omega Speedmaster 3520.53 Box, Manual, Card - $2,850

Omega Speedmaster 3520.53 Box, Manual, Card - $2,850

Omega - 3520.53 · $2,850
Up for sale is my Omega Speedmaster 3520.53 Full Kit, measuring 39mm with an automatic movement and a steel case on an original Omega Steel bracelet.

  • Condition: good condition with usage marks and some patina
  • Size: 39mm diameter
  • Case material: steel
  • Bracelet size range: fits up to 7 inch wrists with extra links available
Posted at
Jan 1, 2026, 8:33 PM
Active
[WTS] Omega Speedmaster “Ed White” Cal. 321 Tropical Dial Heavy Patina (Serviced)

Omega Speedmaster “Ed White” Cal. 321 Tropical Dial Heavy Patina (Serviced)

Omega - 105.003-65 · $10,995
This Omega Speedmaster Ed White Ref. 105.003-65 is a historic variant with a stunning brown tropical dial and matching tritium hands. It's one of the most collectible Speedmasters among enthusiasts due to its unique features and significance in Omega's history.

  • Condition: Very good condition, with signs of previous polish
  • Size: 39mm diameter
  • Year: 1965
  • Movement serviced: Yes, professionally serviced in July 2023
Posted at
Jan 1, 2026, 7:41 PM
Active
[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
Active
[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

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
Active
[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)

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
Active
[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
Active
[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
Active
[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
Active
[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

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
Active