Omega Speedmaster Speedmaster Professional Moonphase / Strap
Reference 3876.50.31
About this watch
The Omega Speedmaster Professional Moonphase is an exquisite blend of precision, technology, and style, boasting a storied history in horology. With its classic yet sporty design, this watch exudes sophistication, featuring a black dial highlighted by the stainless steel case. The stick and dot indexes provide excellent visibility, while the moonphase complication adds a touch of elegance to its sporty demeanor. At its heart lies the Omega caliber 1866, a handwound chronograph movement renowned for precision and reliability. With a power reserve of 45 hours, it's designed to withstand daily wear and tear, making it an excellent choice for both men and women. The watch's durability is further enhanced by its sapphire crystal, ensuring that the beauty of the dial remains unblemished over time. Water-resistant up to 50 meters, this watch is suitable for splashes and brief immersions in water. Whether you're a collector, space enthusiast, or simply looking for a reliable timepiece, the Speedmaster Professional Moonphase ticks all the boxes, offering a perfect blend of functionality, style, and history.
Key Features
- Omega Caliber 1866 Handwound Chronograph Movement
- 42mm Stainless Steel Case with Tachymeter Bezel
- Sapphire Crystal for Scratch-Resistant Durability
Specifications
- Brand
- Omega
- Family
- Speedmaster
- Model
- Speedmaster Professional Moonphase / Strap
- Reference
- 3876.50.31
- Movement
- 1866
- Movement Features
-
- Hours, Minutes, Small Seconds
- Date
- Chronograph
- Moonphase
- Case
- Stainless Steel 42mm
- Dial Color
- Black
- Crystal
- Sapphire
- Water Resistance
- 50
Current Listings
![[WTS] 2022 OMEGA SPEEDMASTER PROFESSIONAL $5999](https://preview.redd.it/doro85uezfcg1.jpg?width=640&crop=smart&auto=webp&s=046d17fa1b60704435a97df0d0c2ee25aeb6a078)
![[WTS] 1991 Omega Speedmaster Moonwatch Ref 3590.50 with abstract](https://external-preview.redd.it/ZHg4a2xya3lsZWNnMT5tW3o0YBi9xiSpHQNk8ZlwNawNWy9RCFTWP-IafNa9.png?format=pjpg&auto=webp&s=8cd7dd46f6524acdb3177e249e3ebbb149dbcaf8)
1991 Omega Speedmaster Moonwatch Ref 3590.50 with abstract
This 1991 Omega Speedmaster Moonwatch is in excellent condition with an original tritium dial and hands, and a correct Omega hesalite crystal.
- Condition: Excellent vintage condition, unpolished
- Serial number: 482774XX
- Movement: caliber 861
- Bracelet size: 1479/812, currently sized for a 6.8" wrist
![[WTS] Omega Speedmaster Reduced — $2500 USD](https://preview.redd.it/131wsi6slecg1.jpg?width=640&crop=smart&auto=webp&s=179a8d856cb00b34bc45e08a6ddcd4645ef4cb6b)
Omega Speedmaster Reduced — $2500 USD
For sale is my Omega Speedmaster Reduced with a 39mm case size and automatic movement.
- Condition: Excellent
- Case Size: 39mm
- Movement Type: Automatic
![[WTS] Omega Speedmaster Reduced, ref. 175.0032.1, Factory Service Papers, Box, Accessories](https://preview.redd.it/op0dgcgrhecg1.jpg?width=640&crop=smart&auto=webp&s=e5daa151f8f5de8594d311ee078929adb982532f)
Omega Speedmaster Reduced, ref. 175.0032.1, Factory Service Papers, Box, Accessories
The Omega Speedmaster Reduced is a beautiful watch in excellent condition, with factory service papers and box included.
- Condition: Excellent
- Service cost: $850
- Year of service: 2019
![[WTS] Omega Speedmaster Moonphase BOX AND PAPERS 304.33.44.52.03.001](https://preview.redd.it/ms7itrbgaecg1.jpg?width=640&crop=smart&auto=webp&s=97892142983957737f9643628c9a290f5ab59774)
Omega Speedmaster Moonphase BOX AND PAPERS 304.33.44.52.03.001
For sale is an Omega Speedmaster Moonphase, this watch features a black leather strap with quick release function and comes double boxed with cards including warranty card.
- Condition: Excellent condition with minimal wear on the straps
- Straps: black leather omega strap with quick release function
- Payment Methods Accepted: all payment methods except PayPal, crypto with small fee
- Trading Brands: Tudor, Cartier, Rolex, Omega, Breitling, AP
![[WTS] Omega Speedmaster Sapphire Sandwich](https://preview.redd.it/fmlj7pv55ecg1.jpg?width=640&crop=smart&auto=webp&s=87ad4496644de7cdeaff1428918dbd37be74ac8d)
Omega Speedmaster Sapphire Sandwich
A Omega Speedmaster Sapphire Sandwich, a manual winding watch featuring an original box and papers. The watch has a 42mm size.
- Year: 2025
- Size: 42mm diameter
- Bracelet condition: barely used
![[WTS] OMEGA SPEEDMASTER PROFESSIONAL [WHITE][EXCELLENT CONDITION AND BARELY WORN] $7,700 OBO](https://preview.redd.it/ygzxdmbh3ecg1.jpg?width=640&crop=smart&auto=webp&s=511cfbcfc4c0cf41e4f8a62ade0b985bfe586d10)
OMEGA SPEEDMASTER PROFESSIONAL [WHITE][EXCELLENT CONDITION AND BARELY WORN] $7,700 OBO
A well-maintained Omega Speedmaster Professional in excellent condition, barely worn.
- Condition: EXCELLENT CONDITION AND BARELY WORN
- Payment methods: PayPal, Zelle, Venmo
![[WTS] 1979 Omega Speedmaster Professional Moon Watch](https://external-preview.redd.it/Nb4_r9XuQYagiZQZJ51GhN7PJRdiK1IojEh8Yh1Jm8I.jpeg?auto=webp&s=e5ae9665964adbdfda74dfced1697b805ddedb89)
1979 Omega Speedmaster Professional Moon Watch
This 1979 Omega Speedmaster Professional Moon Watch is in excellent condition, featuring its original comfort stretch 1039 bracelet and a manual wind calibre 861 movement. The watch has aged nicely, with great lume and dial details.
- Condition: Excellent with fine scratches, one visible dent in the bracelet and inconsistent timegraph results
- Bracelet type: Comfort stretch 1039
- Case size: 42mm diameter
- Crown size: 43.2mm
![[WTS] Omega Speedmaster Professional Moonwatch Full Steel 145.022-69 Ghost Bezel Yellow Patina Step Dial 1969 (Serviced) 🔥](https://preview.redd.it/8ms899ggk6cg1.jpg?width=640&crop=smart&auto=webp&s=82fc58d2c65169b0c36a98c4162a0fd4f2cb5841)
Omega Speedmaster Professional Moonwatch Full Steel 145.022-69 Ghost Bezel Yellow Patina Step Dial 1969 (Serviced) 🔥
This Omega Speedmaster Moonwatch presents beautifully in full steel, with a strong and sharp case and original step dial displaying warm yellow patina.
- Condition: serviced, excellent definition
- Size: 42mm diameter
- Year: 1969
- Movement service date: November 2022