Omega Speedmaster Speedmaster Professional Moonwatch 3861 Stainless Steel / Black Lacquer

Reference 310.30.42.50.01.004

Omega Speedmaster Professional Moonwatch 3861 Stainless Steel / Black Lacquer

About this watch

The Speedmaster Moonwatch Professional 310.30.42.50.01.004 debuted in 2026 as a sapphire-crystal variant of the modern Moonwatch, retaining the core design characteristics associated with the fourth-generation Speedmaster worn during the Apollo missions. The stainless steel case measures 42 mm in diameter, with a lug-to-lug length of 47.5 mm and a thickness of 13.54 mm. Sapphire crystal is fitted to both the front and the caseback, with anti-reflective treatment applied to the inner surface of the front crystal. Water resistance is rated to 50 metres. The watch is delivered on a polished-brushed stainless steel bracelet constructed in the contemporary Moonwatch five-arched-link style and fitted with a foldover clasp incorporating OMEGA’s comfort adjustment system. The dial adopts an inverted black-and-white configuration constructed using a double-plate step dial. The upper dial plate is finished in black with a varnished and lacquered surface, while the recessed subdials are executed in white with the same varnished finish. The subdials are framed by rhodium-plated rings and display small seconds, a 30-minute chronograph counter, and a 12-hour chronograph counter. The minute track is transferred in white on the main dial, with black transfers used on the subdials. Applied hour markers and the OMEGA logo are rhodium-plated, as are the Moonwatch-style hands, all filled with white Super-LumiNova. Surrounding the dial is a black ceramic bezel ring fitted with a tachymeter scale rendered in white enamel, including the characteristic dot-over-90 marking. Powering the watch is the manually wound OMEGA Co-Axial Master Chronometer calibre 3861. The movement operates at 3 Hz, provides a power reserve of approximately 50 hours, and is certified by METAS for precision, magnetic resistance up to 15,000 gauss, and overall performance. The movement is visible through the sapphire crystal caseback.
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Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster Professional Moonwatch 3861 Stainless Steel / Black Lacquer
Reference
310.30.42.50.01.004
Movement
3861
Movement Features
  • Small Seconds, Hours, Minutes
  • Chronograph
  • Chronometer
Case
Stainless Steel 42mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
50

Current Listings

[WTS] 2025 Omega Speedmaster Sedna Gold 310.60.42.50.01.001 — Like New Condition, Box & Papers

2025 Omega Speedmaster Sedna Gold 310.60.42.50.01.001 — Like New Condition, Box & Papers

Omega - 310.60.42.50.01.001 · $29,500
The Omega Speedmaster Sedna Gold elevates the iconic Moonwatch design with Omega’s proprietary Sedna gold and features a rich black dial.

  • Condition: Like new condition, ding on bezel near 12 o'clock
  • Box And Papers: Yes, complete with original box and papers (wallet not included)
  • Movement: Master Chronometer manual-wind
  • Size: [object Object]
Posted at
Apr 30, 2026, 9:10 AM
Active
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[WTS][US] Omega Speedmaster Moonphase - Black Dial - 44mm - 304.30.44.52.01.001

[US] Omega Speedmaster Moonphase - Black Dial - 44mm - 304.30.44.52.01.001

Omega - 304.30.44.52.01.001 · $6,750
A pre-owned Omega Speedmaster Moonphase watch in excellent condition, featuring a black dial and 44mm case size.

  • Condition: Fantastic condition
  • Case size: 44mm
  • Bracelet condition: minor hairlines
Posted at
Apr 30, 2026, 8:28 AM
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[WTS] Omega Speedmaster Moonwatch 310.32.42.50.01.001 Full Set + Exhibition Caseback

Omega Speedmaster Moonwatch 310.32.42.50.01.001 Full Set + Exhibition Caseback

Omega - 310.32.42.50.01.001 · $5,170
This Omega Speedmaster Moonwatch Professional features the Co-Axial Master Chronometer Caliber 3861 and comes as a full set, including an aftermarket exhibition caseback.

  • Condition: Excellent overall condition with minor mark on Hesalite crystal
  • Crystal material: Hesalite
  • Caseback type: Exhibition (aftermarket) and solid (original)
  • Extras: Original purchase receipt from Omega
Posted at
Apr 29, 2026, 10:27 PM
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[WTS] Omega Speedmaster Moonwatch – White Dial (Ref. 310.30.42.50.04.001)

Omega Speedmaster Moonwatch – White Dial (Ref. 310.30.42.50.04.001)

Omega - 310.30.42.50.04.001 · $7,150
This Omega Speedmaster Moonwatch features a white dial and a 42mm stainless steel case.

  • Condition: worn a number of times with light signs
  • Case Size: 42mm diameter
  • Water Resistance: 50m water resistance
  • Movement Type: Manual wind Caliber 3861
Posted at
Apr 29, 2026, 9:32 PM
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[WTS] OMEGA Speedmaster Professional 3861 Sapphire Sandwich + Spiralwinder Ceramic Bezel Installed (original bezel included) - $5750 shipped CONUS

OMEGA Speedmaster Professional 3861 Sapphire Sandwich + Spiralwinder Ceramic Bezel Installed (original bezel included) - $5750 shipped CONUS

OMEGA - Speedmaster Professional 3861 Sapphire Sandwich · $5,750
This OMEGA Speedmaster Professional is a Sapphire Sandwich model, running at +0 seconds/day and with perfectly functioning chrono functions. It comes with an upgraded Spiralwinder ceramic bezel and a Forstner Bullet Bracelet with quick adjust clasp.

  • Condition: Very good condition
  • Bracelet: Forstner Bullet Bracelet
  • Bezel included: original OEM Omega bezel
  • Movement tech: latest movement technology
Posted at
Apr 29, 2026, 9:29 PM
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[WTS] Omega Speedmaster Date

Omega Speedmaster Date

Omega - 3212.80 · $1,999
A beautiful blue Omega Speedy Date in good condition, featuring a Cal 1164 movement and a 40mm size.

  • Condition: good condition with normal wear and scratches on the aluminum bezel
  • Movement: Cal 1164
  • Bracelet size fits: 7 inches
  • Case and bracelet wear: normal wear
Posted at
Apr 29, 2026, 8:27 PM
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[WTS] Omega Speedmaster Professional 3572.50 $4250

Omega Speedmaster Professional 3572.50 $4250

Omega - 3572.50 · $4,250
This rare Omega Speedmaster Professional features a hesalite crystal and sapphire exhibition crystal, showcasing the 1863 movement.

  • Condition: Good used condition with slight scuffs and marks
  • Bracelet type: 1498/840
  • Bracelet taper: 20mm-16mm
Posted at
Apr 29, 2026, 6:16 PM
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[WTS] 1450 President Bracelet for Omega Speedmaster Professional 20mm - Uncle Straps / Uncle Seiko

1450 President Bracelet for Omega Speedmaster Professional 20mm - Uncle Straps / Uncle Seiko

· $80
A Presidential/Lincoln bracelet for the Omega Speedmaster Professional that can be adjusted to fit different model sizes. It includes two clasp options and is made of 316L stainless steel.

  • Condition: good with normal desk diving scrapes on the clasps
  • Lug width to buckle: 20mm to 16mm
  • Length: 180mm
  • Min length after adjusted: 120mm
Posted at
Apr 29, 2026, 5:48 PM
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[WTS] Brand New Omega Speedmaster Moonwatch "Sapphire Sandwich" [ Ref. 310.30.42.50.01.002 ]

Brand New Omega Speedmaster Moonwatch "Sapphire Sandwich" [ Ref. 310.30.42.50.01.002 ]

Omega - 310.30.42.50.01.002 · $7,300
This listing is for a brand new Omega Speedmaster Moonwatch Professional in the 'Sapphire Sandwich' style. It comes as a full set with various accessories.

  • Condition: Brand new, unworn
  • Case size: 42mm diameter
Posted at
Apr 29, 2026, 3:46 PM
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