Omega Speedmaster Speedmaster Professional Moonwatch 3861 Stainless Steel / Black / Sapphire / Bracelet
Reference 310.30.42.50.01.002
About this watch
The Omega Speedmaster Professional Moonwatch, reference 310.30.42.50.01.002, is a masterpiece of horology that embodies the perfect blend of history, function, and style. This iconic watch features a classic round case with a diameter of 42 mm and a height of 13.18 mm, encasing a stunning matte black dial that provides a perfect contrast to the stainless steel exterior. The sapphire crystal glass offers unparalleled scratch resistance and clarity, allowing wearers to enjoy this watch in everyday situations without worrying about damaging the face. At its core is the Omega caliber 3861 movement, an updated version of the previous caliber 861 and 1861, featuring a co-axial escapement and silicon balance spring that enhances accuracy and longevity. This Master Chronometer certified by METAS ensures reliable performance under various conditions, with a power reserve of 50 hours and a frequency of 21,600 vibrations per hour. The Omega Speedmaster isn't just a timekeeper; it's a fully functional chronograph with small seconds, hours, and minutes hands that can easily track elapsed time in any setting. This watch is perfect for daily wear, with a water resistance of 50 meters making it suitable for splashes and brief immersion in water. The stainless steel bracelet is both stylish and comfortable, designed for wearability and featuring solid yet lightweight links that adjust effortlessly to find the perfect fit. Whether you're dressed formally or casually, this watch complements any look and is sure to spark conversations with its iconic design and historical significance.
Key Features
- 42mm stainless steel case
- Sapphire crystal glass for scratch resistance
- Master Chronometer certified Omega caliber 3861 movement
- Chronograph function with small seconds, hours, and minutes hands
- Water resistance of 50 meters
- Stainless steel bracelet with adjustable links
- Iconic tachymetric scale on the bezel
Specifications
- Brand
- Omega
- Family
- Speedmaster
- Model
- Speedmaster Professional Moonwatch 3861 Stainless Steel / Black / Sapphire / Bracelet
- Reference
- 310.30.42.50.01.002
- 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] Omega OEM Integrated Speedmaster Moonwatch Rubber Strap with Aftermarket Clasp - (Strap Backordered thru Omega)- $275 shipped](https://preview.redd.it/0lsufzcl700h1.jpg?width=640&crop=smart&auto=webp&s=4669d2da8247d2fd43735018797e3e92df77e288)
Omega OEM Integrated Speedmaster Moonwatch Rubber Strap with Aftermarket Clasp - (Strap Backordered thru Omega)- $275 shipped
A black Omega rubber strap designed for the Speedmaster Professional, made from OEM materials and featuring an aftermarket clasp.
- Condition: Very Good
- Material: rubber
- Lug size compatibility: 20mm
![[WTS] Omega Speedmaster Reduced Sapphire - Ref. 3539.50 - Serviced by Omega - Full Set](https://preview.redd.it/56v5c0dr400h1.jpg?width=640&crop=smart&auto=webp&s=b67e86ec870725b2961ad68ff1c4a330732c3716)
Omega Speedmaster Reduced Sapphire - Ref. 3539.50 - Serviced by Omega - Full Set
Up for sale is my Omega Speedmaster Reduced in ref. 3539.50 — the 39mm automatic variant of the Speedmaster family with the sapphire crystal.
- Condition: Excellent
- Case size: 39mm
- Movement type: automatic
![[WTS] Omega OEM Integrated Speedmaster Moonwatch Rubber Strap with OEM Clasp - (Backordered thru Omega) $550 shipped](https://preview.redd.it/8a5m5hcs400h1.jpg?width=640&crop=smart&auto=webp&s=9bf6757d2a80df8bee317858b44d0debf038da98)
Omega OEM Integrated Speedmaster Moonwatch Rubber Strap with OEM Clasp - (Backordered thru Omega) $550 shipped
Additional Details: Ref: STZ007387 Omega OEM stainless steel deployant clasp (16mm) Designed for the Omega Speedmaster Professional with 20mm lugs.
- Condition: Very Good
- Lug size: 20mm
- Clasp type: 16mm stainless steel deployant clasp
![[WTS] OMEGA Speedmaster "Dark Side of the Moon" Apollo 8 Ref. 311.92.44.30.01.001 + Apollo 8 Gen2 Strap + Deployant Clasp - ULTIMATE SET! 🔥$8,600🔥 [PRICED TO SELL]](https://preview.redd.it/9l2dmom4100h1.jpg?width=640&crop=smart&auto=webp&s=5388f4ea90afe1339565b6c914baa043efa7dcd2)
OMEGA Speedmaster "Dark Side of the Moon" Apollo 8 Ref. 311.92.44.30.01.001 + Apollo 8 Gen2 Strap + Deployant Clasp - ULTIMATE SET! 🔥$8,600🔥 [PRICED TO SELL]
The OMEGA Speedmaster 'Dark Side of the Moon' Apollo 8 watch commemorates the 50th anniversary of the Apollo 8 mission, featuring a black ceramic case and a laser-ablated dial representing the lunar surface.
- Condition: UNWORN
- Movement: Calibre 1869
- Case material: black ceramic
- Diameter: 44.25mm
![[WTS] Omega Speedmaster Professional Ref. 145.012-67 SP. Pre-Moon Full Collector's Set!](https://preview.redd.it/w5no18l1hzzg1.jpg?width=640&crop=smart&auto=webp&s=e7fec6aef99d6313b66cd9fd6cdc1ce780546ef7)
Omega Speedmaster Professional Ref. 145.012-67 SP. Pre-Moon Full Collector's Set!
This Omega Speedmaster Professional Ref. 145.012-67 SP is a Pre-Moon Speedmaster in its final and most desirable form. It's a full set with the original Omega box and international guarantee papers dated August 22, 1968.
- Condition: Pre-owned, with signs of wear consistent with age
- Movement: Caliber 321 (Serial 26.xxx.xxx)
- Case size: 42mm diameter
- Bracelet type: 1039/516 flat-link-style
![[WTS] Omega. Speedmaster. Date Chrono. Great Condition. $1849 Only](https://preview.redd.it/iej7540otyzg1.jpeg?auto=webp&s=a2036c6ae913708fc76001cd7338e2415e92d40a)
Omega. Speedmaster. Date Chrono. Great Condition. $1849 Only
A Omega Speedmaster Date Chrono in great condition, featuring a 39mm case.
- Condition: 9/10
- Bracelet length: ~6.75 inch
- Case size: 39mm
![[WTS] Omega. Speedmaster. Reverse Panda. $1849 Only](https://preview.redd.it/q87kb82lsyzg1.jpeg?auto=webp&s=f2146f782d6c3787698c5e4888e68fb59c0bdcc2)
Omega. Speedmaster. Reverse Panda. $1849 Only
A well-maintained Omega Speedmaster, also known as a Reverse Panda, available for sale. The watch features a 39mm diameter and is on its original OEM bracelet.
- Condition: 9/10
- Bracelet size: 39mm diameter
- Wrist fit: ~7inch
![[WTS] 2021 SERVICED Omega Speedmaster Apollo 8 Dark Side of the Moon 311.92.44.30.01.001 B&P](https://preview.redd.it/kig7o6u7nyzg1.jpg?width=640&crop=smart&auto=webp&s=2caba0fe2893036a7d66d816736071a2f8308754)
2021 SERVICED Omega Speedmaster Apollo 8 Dark Side of the Moon 311.92.44.30.01.001 B&P
The Omega Speedmaster Dark Side of the Moon Apollo 8 is one of the most striking modern Speedmasters — full black ceramic, skeleton dial, and a movement laser-engraved to look like the lunar surface. The yellow accents give it that bold, mission-ready look you can spot across the room.
- Condition: Good condition with very few signs of wear, mainly on the leather strap
- Case Size: 44.25mm
- Movement Caliber: Omega Calibre 1861
- Power Reserve: 48 hours
![[WTS] 2022 Omega Speedmaster Racing 40mm 326.32.40.50.06.001 Full Set Excellent](https://external-preview.redd.it/hVNZLhh3WfbzbyrHTldHlFTAcXQyK4x2CTmRnigFXcA.jpeg?auto=webp&s=27eb97130ceb2bbc1cd1a70ca86275403873c42e)
2022 Omega Speedmaster Racing 40mm 326.32.40.50.06.001 Full Set Excellent
A sporty, modern Speedmaster with racing‑inspired detailing.
- Condition: Excellent
- Size: 40mm diameter
- Year: 2022