Omega Speedmaster Speedmaster Professional Moonwatch 3861 Sedna Gold - Diamond / Brown / Bracelet
Reference 310.55.42.50.13.001
About this watch
The Omega Speedmaster Professional Moonwatch 3861 Sedna Gold - Diamond / Brown / Bracelet is a masterpiece of horology, blending art, history, and cutting-edge technology. Crafted from Sedna Gold, this watch boasts a unique color that's both warm and striking. Its round shape and sunburst brown finish give it a luxurious feel, while the diamond-set bezel adds a touch of elegance. The 3861 is equipped with a chronograph feature, allowing you to measure elapsed time with precision. At its heart lies the Omega caliber 3861, an updated version of the legendary caliber 861/1861, featuring a co-axial escapement and silicon balance spring for accuracy and reliability. Master Chronometer certified by METAS, this watch has undergone rigorous testing to withstand magnetic fields of up to 15,000 gauss. Its sleek design and exceptional craftsmanship make it a standout in any collection. Whether you're at a formal event or a casual outing, this watch is sure to turn heads.
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Key Features
- Sedna Gold case
- Manual-winding chronograph movement
- Co-axial escapement and silicon balance spring
- Master Chronometer certified by METAS
- Diamond-set bezel
- Water resistance up to 50 meters
- 42.00 mm diameter and 13.18 mm height
Specifications
- Brand
- Omega
- Family
- Speedmaster
- Model
- Speedmaster Professional Moonwatch 3861 Sedna Gold - Diamond / Brown / Bracelet
- Reference
- 310.55.42.50.13.001
- Movement
- 3861
- Movement Features
-
- Small Seconds, Hours, Minutes
- Chronograph
- Chronometer
- Case
- Sedna Gold 42mm
- Dial Color
- Brown
- Crystal
- Sapphire
- Water Resistance
- 50
Current Listings
OMEGA Speedmaster Racing 329.32.44.51.06.001
The OMEGA Speedmaster Racing is a tribute to the brand's rich motorsport heritage, featuring a sleek design with a bold black dial and orange accents.
- Condition: Excellent, lightly worn
- Movement: Caliber 9900
- Case diameter: 44.25mm
- Water resistance: 50m
Omega Speedmaster White 310.30.42.50.04.001 LNIB
The Omega Speedmaster features a white dial and comes with all its original packaging, including box, books, links, and warranty cards.
- Condition: Like new, unworn
- Dial color: White
- Box set: true

>>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