Breitling Superocean Heritage B20 42

Breitling · Superocean Heritage

Breitling Superocean Heritage B20 42

Breitling Superocean Heritage B20 42 (reference AB2010121B1A1) — specifications, measurements, watch images and standardized wrist-fit previews for informed comparison.

A 42 mm diver / heritage watch with automatic movement (Breitling B20) and 200 m water resistance.

Best forWearers wanting a robust, legible sports watch for water and everyday use.
Not ideal forBuyers prioritizing low purchase and service costs.
Wearsmedium

At a glance

ReferenceAB2010121B1A1
CollectionSuperocean Heritage
Model lineSuperocean Heritage
Production statusCurrent
Official size42 mm
Watch technology InfoMechanical
DisplayAnalog
Movement InfoAutomatic
Calibre / operating system InfoBreitling B20
Key features InfoDate, Dive bezel
Complication InfoDive bezel
Illumination InfoYes
Case diameter Info42 mm
Thickness Info14.4 mm
Lug-to-lug Info51 mm
Power reserve / runtime70 hours
Water resistance200 m
OriginSwiss Made
Recommended wrist Info14–20 cm
Price categoryLuxury

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Steel bracelet

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Strengths and considerations

Strengths

  • Diver / Heritage design; Automatic movement; 200 m stated water resistance.

Considerations

  • Buyers prioritizing low purchase and service costs.
See sources

Manufacturer and technical references used to verify this watch specification.

Specifications last verified: 2026-08-14.

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