Product Overview
The Breitling Superocean Heritage II Black Rose Gold Breitling Calibre 20 42 UB2010121B1S1 is a masterfully engineered dive watch that unites robust performance with refined aesthetics. Designed for men who demand both precision and elegance, this timepiece features a commanding 42mm case that blends polished stainless steel with lustrous 18k rose gold, creating a sophisticated two-tone presence. At its heart lies the in-house Breitling Calibre 20 automatic movement, a chronometer-certified mechanism known for its reliability and consistent timekeeping. The deep black dial is accentuated by rose gold-plated hour markers and hands, offering excellent contrast and readability—especially in low-light underwater conditions—while lending a luxurious touch that sets it apart from conventional sport watches.
This model is part of Breitling’s celebrated Superocean Heritage II collection, a line that pays homage to the brand’s rich maritime legacy while embracing contemporary design and technical innovation. Originally inspired by the first Superocean dive watches introduced in the 1950s, this iteration maintains the spirit of exploration and adventure while meeting modern standards for durability and style. Whether you’re descending into ocean depths or attending a formal event, this watch transitions effortlessly, making it a versatile choice for discerning wearers who appreciate Swiss craftsmanship and functional design.

Key Features
- Breitling Calibre 20 Movement: Developed and manufactured in-house, this automatic mechanical movement is chronometer-certified, ensuring exceptional accuracy and long-term reliability. With a power reserve of approximately 42 hours, it continues to operate smoothly even when not worn for a day and a half. The movement features a bidirectional rotor and is designed for easy maintenance and servicing, reflecting Breitling’s commitment to precision engineering.
- Black Dial with Rose Gold Accents: The matte black dial provides a striking backdrop for the rose gold-plated hour markers and hands, enhancing legibility while adding a warm, luxurious contrast. The applied markers and luminescent coating ensure visibility in dark or underwater environments, maintaining functionality without compromising on elegance.
- Two-Tone Stainless Steel and Rose Gold Case: The 42mm case is crafted from a combination of polished stainless steel and 18k rose gold, delivering both strength and visual appeal. The unidirectional rotating bezel, also finished in two-tone steel and rose gold, is essential for safe diving practices—allowing divers to monitor elapsed time underwater with confidence. The bezel features a knurled edge for improved grip, even when wearing gloves.
- Diving Heritage and Functionality: As a true member of the Superocean line, this watch is engineered for aquatic use. While the exact water resistance rating isn’t specified in the source material, the design and construction align with professional diving standards. The screw-down crown and robust case contribute to its resilience in challenging environments, honoring Breitling’s legacy of supporting marine adventurers and professional divers.
- Premium Strap and Secure Clasp: The watch is equipped with a high-quality strap designed for comfort, durability, and secure wear. The clasp mechanism ensures a firm fit, whether worn over a wetsuit or with formal attire. The strap’s construction reflects Breitling’s attention to detail and commitment to long-term usability.

Technical Specifications
- Model Number: UB201012-BG53-279S
- Reference Number: UB2010121B1S1
- Case Material: Stainless steel and 18k rose gold
- Case Diameter: 42mm
- Movement: Breitling Calibre 20 (automatic, in-house, chronometer-certified)
- Power Reserve: Approximately 42 hours
- Dial Color: Black
- Bezel: Unidirectional rotating, two-tone (steel and rose gold)
- Water Resistance: Suitable for diving (specific depth not provided)
- Department: Men
- Manufacturer: Breitling
- ASIN: B07DN3M6MQ
- Date First Available: May 3, 2018
- Package Dimensions: 8 x 8 x 8 inches
- Is Discontinued By Manufacturer: No

Benefits & Use Cases
The Superocean Heritage II is designed for individuals who appreciate the fusion of technical excellence and refined style. Its robust construction and diving heritage make it a dependable companion for recreational divers and water sports enthusiasts. The unidirectional bezel and water-resistant design ensure safety and functionality during underwater excursions, while the chronometer-certified movement guarantees accurate timekeeping in all conditions.
Beyond its aquatic capabilities, the watch’s elegant two-tone finish and sophisticated dial allow it to transition seamlessly into professional and social settings. The 42mm case size offers a balanced presence on the wrist—substantial enough to convey presence without overwhelming average-sized wrists. It pairs well with business attire, formal wear, or casual outfits, making it a versatile addition to any collection.
For watch enthusiasts and collectors, the in-house Breitling Calibre 20 represents a significant value, offering the assurance of Swiss manufacturing and mechanical authenticity. The model’s continued availability since 2018 reflects its enduring appeal and reliability.

Important Notes
This model is not discontinued by the manufacturer, though availability may vary depending on region and retailer. The watch is packaged in a standard luxury box measuring 8 x 8 x 8 inches, suitable for gifting or safe storage. For specific warranty details, customers should refer to the manufacturer’s official resources. To maintain water resistance and optimal performance, periodic professional servicing is recommended, particularly after exposure to saltwater or physical impact. Due to its 42mm case diameter, this watch is best suited for men with medium to larger wrists.
