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] 2023 Omega Speedmaster Moonphase Sedna (Rose) Gold / Brown Dial

2023 Omega Speedmaster Moonphase Sedna (Rose) Gold / Brown Dial

This Omega Speedmaster Moonphase features a sophisticated evolution of the legendary Speedmaster with classical complications and modern Omega innovation, crafted in 18k Sedna Gold with a beautifully finished brown sun-brushed dial.

  • Condition: excellent
  • Case Size: 44.25mm diameter
  • Case Material: 18k Sedna Gold
  • Dial: brown sun-brushed
Posted at
Jan 11, 2026, 4:57 PM
Active
[WTS] 20mm Two Omega OEM Integrated Speedmaster Black Rubber Straps & One - Omega OEM Clasp - (Backordered by Omega)

20mm Two Omega OEM Integrated Speedmaster Black Rubber Straps & One - Omega OEM Clasp - (Backordered by Omega)

Omega - 032Z017245 · $350
This Omega watch has two OEM integrated black rubber straps and one stainless steel deployant clasp. It's designed to fit the Speedmaster Professional with a 20mm lug size.

  • Condition: Excellent
  • Material: Black Rubber
  • End Type: curved ends
  • Lug Size: 20mm/16mm
Posted at
Jan 11, 2026, 8:52 AM
Active
[WTS] Omega Speedmaster Moonphase | Ref. 304.33.44.52.03.001 | 2024 | Complete Set Mint | $7,399 Shipped

Omega Speedmaster Moonphase | Ref. 304.33.44.52.03.001 | 2024 | Complete Set Mint | $7,399 Shipped

The Omega Speedmaster Moonphase combines the classic Moonwatch design language with added complications and a stunning blue colorway, featuring a chronograph, moonphase display at 6 o'clock, pointer date subdial at 9 o'clock, powered by Co-Axial Master Chronometer movement.

  • Condition: Excellent overall
  • Case size: 44.25mm diameter
  • Movement: Co-Axial Master Chronometer movement
  • Complications: chronograph, moonphase display, pointer date subdial
Posted at
Jan 10, 2026, 8:06 PM
Active
[WTS] Excellent Omega Speedmaster Broad Arrow Co-Axial GMT Mens Watch $2750

Excellent Omega Speedmaster Broad Arrow Co-Axial GMT Mens Watch $2750

This Omega Speedmaster Broad Arrow Co-Axial GMT is a high-quality watch featuring an automatic movement and stainless steel case. It measures 44mm in width, making it suitable for larger wrists.

  • Condition: Pre-owned
  • Case width: 44mm (without crown)
  • Band size: fits up to approx 20cm
  • Movement: automatic 3603
Posted at
Jan 10, 2026, 8:01 PM
Active
[WTS] 2024 Omega Speedmaster Moonwatch White Dial 42 310.30.42.50.04.001

2024 Omega Speedmaster Moonwatch White Dial 42 310.30.42.50.04.001

Omega - 31030425004001 · $7,350
This watch is a 2024 Omega Speedmaster Moonwatch with a white dial, coming as a full set with card dated 2024 and in good pre-owned condition.

  • Condition: pre-owned
  • Year Of Manufacture: 2024
  • Diameter: 42mm
Posted at
Jan 10, 2026, 10:30 AM
Active
[WTS] 2023 Omega Speedmaster Silver Snoopy Award on Bracelet + Straps Full Set Mint Condition

2023 Omega Speedmaster Silver Snoopy Award on Bracelet + Straps Full Set Mint Condition

Omega - 310.32.42.50.02.001 · $15,999
This is a 2023 Omega Speedmaster Silver Snoopy Award on Bracelet + Straps Full Set in mint condition.

  • Condition: Mint Condition, like new preowned
  • Size: 40mm diameter
  • Depth Rating: 50m water resistance
  • Case Material: Stainless Steel
Posted at
Jan 9, 2026, 11:43 PM
Active
[WTS] Omega Speedmaster Black Fabric Strap

Omega Speedmaster Black Fabric Strap

Omega - CWZ014117 · $240
Up for sale is my Omega Speedmaster black fabric strap, ref. CWZ014117, which has never been worn.

  • Condition: Like new
  • Strap Type: Black fabric strap
  • Includes Accessories: No deployant or spring bars included
Posted at
Jan 9, 2026, 11:11 PM
Active
[WTS] 1991 Omega Speedmaster Moonwatch Ref 3590.50 with abstract

1991 Omega Speedmaster Moonwatch Ref 3590.50 with abstract

Omega - 3590.50 · $4,000
This 1991 Omega Speedmaster Moonwatch is in excellent condition with an original tritium dial and hands, and a correct Omega hesalite crystal.

  • Condition: Excellent vintage condition, unpolished
  • Serial number: 482774XX
  • Movement: caliber 861
  • Bracelet size: 1479/812, currently sized for a 6.8" wrist
Posted at
Jan 9, 2026, 5:57 PM
Active