Breitling Superocean Heritage Superocean Heritage II B20 Automatic 44 Blacksteel / Osaka Breitling Boutique

Reference MB20301A/BH03/278S/M20SS.1

About this watch

The Breitling Superocean Heritage II B20 Automatic 44 Blacksteel is a luxury timepiece that embodies the perfect blend of style, functionality, and precision. With its striking Blacksteel finish, this watch is designed for the adventurous spirit and suitable for both casual outings and formal events. The robust design features a 44mm diameter case with a rotating bezel marked with a 0-60 scale, allowing for precise timing of dives. The DLC coating offers an extra layer of protection against scratches, making this watch a reliable companion for underwater adventures. At the heart of this watch lies the Breitling Caliber B20, a self-winding movement that showcases precision and reliability. Chronometer certified for accuracy, this movement features a variable inertia oscillator with a silicon balance spring, ensuring excellent resistance to shocks and vibrations. With a power reserve of up to 70 hours, you won't have to worry about winding it frequently. This watch is built for the ocean, with a water resistance of up to 200 meters, making it suitable for snorkeling, diving, or simply splashing around.
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Key Features

  • Breitling Caliber B20 self-winding movement
  • Chronometer certified for accuracy and reliability
  • Water resistance up to 200 meters
  • DLC-coated stainless steel case with rotating bezel
  • Blacksteel finish with minimalist dial design

Specifications

Brand
Breitling
Family
Superocean Heritage
Model
Superocean Heritage II B20 Automatic 44 Blacksteel / Osaka Breitling Boutique
Reference
MB20301A/BH03/278S/M20SS.1
Movement
caliber-b20
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer
Case
Stainless Steel 44mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
200

Current Listings

[WTS][US] Breitling Superocean Heritage B20 Automatic 44 - Blue Dial - 44mm - AB2030 - Full Set

[US] Breitling Superocean Heritage B20 Automatic 44 - Blue Dial - 44mm - AB2030 - Full Set

Breitling - AB2030 · $3,725
Up for sale is a Breitling Superocean Heritage B20 Automatic 44 - Blue Dial - 44mm watch that functions perfectly mechanically, including full set with box and travel case.

  • Condition: Fantastic condition
  • Case size: 44mm
  • Diameter: 44mm
  • Movement: B20 Automatic
Posted at
May 23, 2026, 5:21 AM
Active
[WTS] Breitling SuperOcean Heritage 46 Speciale | Blue Dial | Blue Bezel | A17320 | $2,650 | NY

Breitling SuperOcean Heritage 46 Speciale | Blue Dial | Blue Bezel | A17320 | $2,650 | NY

Breitling - A17320 · $2,650
The Breitling SuperOcean Heritage 46 Speciale features a blue dial, blue bezel, and automatic movement. It's a strong runner with good timekeeping and comes with a rubber strap.

  • Condition: Normal wear scratches from use
  • Movement: Automatic movement
  • Diameter: 46mm diameter
Posted at
May 21, 2026, 4:08 PM
Active
[WTS] Breitling SuperOcean Heritage 46 Speciale | Black Dial | A17320 | $2,650 |

Breitling SuperOcean Heritage 46 Speciale | Black Dial | A17320 | $2,650 |

Breitling - A17320 · $2,650
This Breitling SuperOcean Heritage 46 Speciale features a blue dial and blue bezel, paired with a rubber strap. The watch has been recently maintained by Bucherer.

  • Condition: Normal wear scratches from use
  • Case size: 46mm diameter
  • Dial color: Blue
  • Bezel color: Blue
Posted at
May 21, 2026, 10:40 AM
Active
[WTS] Breitling AB3111241B1A1 SUPEROCEAN HERITAGE B31 AUTOMATIC 42

Breitling AB3111241B1A1 SUPEROCEAN HERITAGE B31 AUTOMATIC 42

Breitling - AB3111241B1A1 · $4,200
This Breitling SuperOcean Heritage B31 Automatic 42 is a stylish and functional watch with a 42mm case size.

  • Condition: Excellent
  • Case size: 42mm diameter
Posted at
May 20, 2026, 11:37 PM
Active
[WTS] Breitling Superocean Heritage B31 Automatic 42

Breitling Superocean Heritage B31 Automatic 42

A modern evolution of Breitling's iconic 1957 dive watch, featuring a deep black dial with an 18k red gold rotating bezel and scratch-resistant black ceramic insert.

  • Condition: New / Full Set
  • Case material: Stainless Steel and 18k Red Gold
  • Movement type: Breitling B31 Manufacture Caliber
  • Power reserve: 78 hours
Posted at
May 19, 2026, 6:48 AM
Active
[WTS] Breitling SuperOcean Heritage Bronze/Bronze A17320

Breitling SuperOcean Heritage Bronze/Bronze A17320

Breitling - A17320 · $2,499
This Breitling SuperOcean Heritage 46 is a beautiful brown/bronze colorway with a 46mm case size.

  • Case size: 46mm
Posted at
May 18, 2026, 6:17 PM
Active
[WTS] Breitling Superocean Heritage II B20 Automatic 42 w/ Green Dial

Breitling Superocean Heritage II B20 Automatic 42 w/ Green Dial

Summary of the watch not available in the given description.

  • Case size: 42mm
  • Movement: Automatic B20
  • Dial color: Green
Posted at
May 16, 2026, 3:09 PM
Active
[WTS] Breitling SuperOcean Heritage 46 A17320

Breitling SuperOcean Heritage 46 A17320

Breitling - A17320 · $2,350
a Breitling SuperOcean Heritage 46 in good condition, featuring a 7.75 inch bracelet and some light marks on the bezel.

  • Condition: Pre-owned
  • Bracelet Length: 7.75"
  • Bezel Condition: some light marks
Posted at
May 16, 2026, 1:45 PM
Active
[WTS][US] Breitling Superocean Heritage B20 Automatic 44 - Blue Dial - 44mm - AB2030 - Full Set

[US] Breitling Superocean Heritage B20 Automatic 44 - Blue Dial - 44mm - AB2030 - Full Set

Breitling - AB2030 · $3,750
A Breitling Superocean Heritage B20 Automatic 44 - Blue Dial watch, functions perfectly and comes with a full set of accessories including box, travel case, manuals and warranty card. The condition is fantastic with minor hairlines on the case.

  • Condition: Fantastic with minor hairlines
  • Case Size: 44mm
  • Movement Type: Automatic
Posted at
May 16, 2026, 7:50 AM
Active