Omega Speedmaster Speedmaster Professional Moonphase Broad Arrow Stainless Steel / Silver / Strap
Reference 3875.30.31
About this watch
The Omega Speedmaster Professional Moonphase Broad Arrow (model 3875.30.31) is a luxury watch that embodies precision, quality, and timeless design. This piece of history is part of the legendary 'Moonwatch' series, which was first worn on the moon during the Apollo missions. The 3875.30.31 model features the Omega caliber 1866 movement, a handwound chronograph movement that showcases exceptional engineering and precision. The watch's combination of white gold and stainless steel gives it a luxurious yet durable feel, while its sapphire glass provides scratch resistance for daily wearers. With a diameter of 42 mm and a lug width of 20 mm, this watch sits comfortably on the wrist, offering a classic look that complements both formal and casual attire. One of the standout features is its moonphase display at the 12 o'clock position, serving as a functional complication that appeals to enthusiasts who appreciate celestial aspects of watchmaking. The chronograph function allows for precise timing, making it practical and fun to use. The Omega Speedmaster Professional Moonphase is water-resistant up to 50 meters, suitable for everyday activities but not recommended for swimming or diving. This model comes with a sturdy strap that ensures a secure fit on the wrist, complementing its overall aesthetic and offering adjustability for different wrist sizes. At a reasonable weight, the 3875.30.31 feels substantial without being cumbersome, striking a perfect balance suitable for both all-day wear and special occasions.
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Key Features
- Handwound chronograph movement (Caliber 1866)
- Moonphase display at 12 o'clock position
- Tachymeter bezel
- Sapphire glass
- Water-resistant up to 50 meters
- Sturdy strap with adjustability
- Reasonable weight and balance
Specifications
- Brand
- Omega
- Family
- Speedmaster
- Model
- Speedmaster Professional Moonphase Broad Arrow Stainless Steel / Silver / Strap
- Reference
- 3875.30.31
- Movement
- 1866
- Movement Features
-
- Hours, Minutes, Small Seconds
- Date
- Chronograph
- Moonphase
- Case
- 42mm
- Dial Color
- Silver
- Crystal
- Sapphire
- Water Resistance
- 50
Current Listings
![[WTS] Omega Speedmaster Professional 3861 Sapphire Sandwich 310.30.42.50.01.002](https://preview.redd.it/gitq6ah0z2cg1.jpg?width=640&crop=smart&auto=webp&s=2f69b94b59129b78fa39c19fdf2bd72fbf87d304)
Omega Speedmaster Professional 3861 Sapphire Sandwich 310.30.42.50.01.002
Additional details not provided.
- Item: Sapphire Sandwich
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Omega Speedmaster Day Date MK40
Up for sale is my Omega Speedmaster Day-Date MK40, reference 3520.53.00. A cult-favorite Speedy with serious ‘90s charm and one of the most wearable Speedmaster configurations ever made.
- Condition: good
- Case size: 39mm
- Movement type: automatic chronograph
![[WTS][US] Omega Speedmaster Chronoscope - White Panda Dial - 43mm - 329.30.43.51.02.002](https://preview.redd.it/h47pz52mgxbg1.jpg?width=640&crop=smart&auto=webp&s=1da748f4f4c29372c6f7a9b5c9ca7de0e796de14)
[US] Omega Speedmaster Chronoscope - White Panda Dial - 43mm - 329.30.43.51.02.002
This Omega Speedmaster Chronoscope features a white panda dial in a 43mm case.
- Condition: Fantastic with minor hairlines
- Case Size: 43mm diameter
- Included Accessories: box (inner & outer), user manual, microfiber cloth, card holder & triple cards
![[WTS] Omega Speedmaster Professional “White Dial” – Ref. 310.30.42.50.04.001 – 2025 – Full Set – Warranty to 2030 - 🔥$7️⃣4️⃣5️⃣0️⃣🔥](https://preview.redd.it/583bw7cqpubg1.jpg?width=640&crop=smart&auto=webp&s=e51d72fe6bf955e81669515fb0e7b25007644386)
Omega Speedmaster Professional “White Dial” – Ref. 310.30.42.50.04.001 – 2025 – Full Set – Warranty to 2030 - 🔥$7️⃣4️⃣5️⃣0️⃣🔥
A 2025 Omega Speedmaster Professional White Dial with a highly desirable white lacquer dial in excellent condition.
- Condition: 9.5/10, excellent condition with minimal handling marks on the bracelet and clasp
- Year: 2025
- Movement: Omega Cal. 3861 (Master Chronometer)
- Warranty expiration year: 2030
![[WTS] 2024 Omega Speedmaster Grey Side of The Moon Meteorite 311.63.44.51.99.001 Full Set](https://preview.redd.it/65eexb233ubg1.jpg?width=640&crop=smart&auto=webp&s=6557ccfa6ccba5a6eb3d7a0e18175cfecce46907)
2024 Omega Speedmaster Grey Side of The Moon Meteorite 311.63.44.51.99.001 Full Set
A 2024 Omega Speedmaster Grey Side of The Moon Meteorite watch featuring a grey ceramic case, 18K Sedna gold bezel, and meteorite dial. It has an automatic mechanical movement, comes on an original black nylon strap, and includes a full set of accessories.
- Condition: Excellent pre-owned condition
- Case material: Grey Ceramic
- Case dimensions: 44.25mm diameter
- Bezel material: 18K Sedna Gold
![[WTS] Omega Speedmaster Day Date Watch 3222.80 Serviced](https://preview.redd.it/zgs2k4zuntbg1.jpg?width=640&crop=smart&auto=webp&s=362eca554e443894ff5985d8dbd800cc23e7b649)
Omega Speedmaster Day Date Watch 3222.80 Serviced
This is a sporty and versatile Speedmaster with blue dial and automatic chronograph movement.
- Condition: Very good, with factory serviced movement
- Size: 40mm diameter
- Dial color: blue
![[wts] Omega Speedmaster Broad Arrow Re-Issue 3594.50 + 2024 Service](https://preview.redd.it/xprqwdh55tbg1.jpg?width=640&crop=smart&auto=webp&s=74991c2d554d73378432f1746b917864cb43506c)
Omega Speedmaster Broad Arrow Re-Issue 3594.50 + 2024 Service
For sale is an Omega Speedmaster in very mint condition, fully complete set as shown including all box, books, links, and Omega warranty card.
- Condition: Very mint condition
- Service Date: 2024
![[WTS] Omega Speedmaster Reduced - 39mm Two Tone - Ref 175.0033 - Price Reduced!](https://preview.redd.it/giy5m0y12sbg1.jpg?width=640&crop=smart&auto=webp&s=6213ea1030668bcf61f74da5ce52b4d92e53558a)
Omega Speedmaster Reduced - 39mm Two Tone - Ref 175.0033 - Price Reduced!
The Omega Speedmaster Reduced is a white dial version, in great vintage condition with light hairlines on the bezel and case.
- Condition: Great vintage condition, light hairlines on bezel and case
- Case Size: 39mm diameter
- Band Material: Leather AM strap from Casanova
- Service History: No service history
![[WTS] Omega Speedmaster Professional “White Dial” – Ref. 310.30.42.50.04.001 – 2025 – Full Set – Warranty to 2030 -$7500 + shipping](https://preview.redd.it/gsgxezhkpnbg1.jpg?width=640&crop=smart&auto=webp&s=3aee1cc8c8c096e354cb351adfbeaebd61285cb5)
Omega Speedmaster Professional “White Dial” – Ref. 310.30.42.50.04.001 – 2025 – Full Set – Warranty to 2030 -$7500 + shipping
A modern Omega Speedmaster Professional with a highly sought-after white lacquer dial, featuring iconic Moonwatch heritage paired with a crisp, contemporary dial that wears incredibly well.
- Condition: 9.5/10, nearly new with faint micro scratches on the bracelet and clasp
- Dial color: white
- Movement: Omega Co-Axial Master Chronometer Cal. 3861