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

>>ReDuCeD FuRtHeR<< VINTAGE OMEGA SPEEDMASTER PROFESSIONAL PRE-MOON 145.022-69
This is a pre-moon Omega Speedmaster Professional reference 145.022-69ST, featuring an Omega calibre 861 and a 29 million serial from 1970.
- Condition: Good vintage condition
- Case size: 42mm diameter
- Movement: Omega calibre 861
- Serial number: 29 million (1970)

BNIB Omega SPEEDMASTER PROFESSIONAL MOONWATCH WHITE DIAL 2024 WARRANTY FULL SET
This is a brand new Omega Speedmaster Professional Moonwatch with a white dial and stainless steel case, featuring a manual-winding chronograph movement.
- Condition: Brand New In Box (BNIB)
- Case size: 42mm
- Movement: Manual-Winding Chronograph 3861
- Crystals: Sapphire

2020 Omega Speedmaster FOIS Ref: 311.32.40.30.01.001 with B+P (Modded Dial)
2020 Omega Speedmaster First Omega In Space 'FOIS' with a modded dial that gives the watch a vintage charm, while still being an authentic Omega.
- Condition: Excellent
- Case size: 40mm
- Bezel condition: Excellent
- Dial type: Black chronograph

2020 Omega Speedmaster Ref: 522.30.42.30.03.001 Tokyo 2020 Olympics with B+P
This is a limited edition 2020 Olympics Omega Speedmaster with a blue dial and blue tachymeter bezel, featuring traditional stick markers and white sub-dials.
- Condition: Excellent
- Case size: 42mm
- Serial number: 78,8XX,XXX
- Limited edition number: 16X/2020

2024 Omega Speedmaster Ref. 310.30.42.50.04.001 with Box & Papers
The Omega Speedmaster Moonwatch is a chronograph with significant historical value, accompanied by all six moon landings and featuring a brushed stainless steel bracelet with sapphire glass and a sapphire caseback.
- Condition: Excellent (little to no signs of wear)
- Case Width: 42mm
- Strap Length: 8.00"
- Movement: Co-Axial Master Chronometer Calibre 3861

Omega Speedmaster Moonwatch 3861 - White - 310.30.42.50.04.001 ( new )
This is a brand new Omega Speedmaster Moonwatch Professional White Dial Sapphire on Bracelet, reference # 310.30.42.50.04.001.
- Condition: Brand new
- Case material: Stainless Steel
- Case size: 42mm
- Movement type: Omega Master Chronometer Movement
Omega Meteorite Speedmaster Moonphase Grey Dial Blue Bezel - Just Released!
A unique and rare Omega Speedmaster Moonphase Meteorite timepiece that combines the legendary Speedmaster design with a captivating meteorite dial, available in brand new condition.
- Condition: Brand New
- Case Size: 43mm
- Bracelet Material: stainless steel
- Movement Type: Automatic chronograph

Omega Speedmaster Professional Moonwatch 311.33.42.30.01.001
This listing is for an Omega Speedmaster Professional Moonwatch, a high-end timepiece known for its iconic design and association with space exploration.
- Condition: Excellent
- Accessories: boxes, book, velcro strap, nato strap, warranty card

Omega Speedmaster Racing - White Dial - 329.30.44.51.04.001 ( excellent )
This Omega Speedmaster Racing Master Co-Axial in White Dial is a high-end chronograph watch with a stainless steel case and Master Co-Axial movement.
- Condition: Excellent
- Case size: 44.25mm diameter
- Movement: Master Co-Axial 9900 Chronometer