What are the case specifications of the Breitling Superocean Heritage B20 Automatic 42?

The Breitling Superocean Heritage B20 Automatic 42 features a 42mm diameter, 14.35mm thick, Steel case with a sapphire crystal crystal.

What is the water resistance of the Breitling Superocean Heritage B20 Automatic 42?

The Breitling Superocean Heritage B20 Automatic 42 has a water resistance rating of 200m (snorkeling).

What movement does the Breitling Superocean Heritage B20 Automatic 42 use?

The Breitling Superocean Heritage B20 Automatic 42 is powered by a Automatic, caliber B20, 70h power reserve.

Breitling Superocean Heritage B20 Automatic 42

Q: When was the Breitling Superocean Heritage B20 Automatic 42 produced?

The Breitling Superocean Heritage B20 Automatic 42 has been in production since 2021.

AutomaticSteel

Ref. AB2010121L1S1

Collection: Superocean HeritageCase size: 42mmMovement: B20Production: 2021 - Present

With a 42 mm steel case, the Breitling Superocean Heritage B20 Automatic 42 carries reference AB2010121L1S1. This dive watch measures 14.35 mm thick, with water resistance rated to 200 metres. Self-winding calibre B20 has a 70-hour power reserve. A sapphire crystal covers the green dial and its date display. The watch has a screw-down crown and a unidirectional rotating bezel. The rubber strap has a folding clasp made of steel.

Add to my inventory

Free account required - pre-fills all specs automatically

Last updated 7 Oct 2026Suggest a correction

TECHNICAL SPECIFICATIONS

GENERAL

Gender

Men

CASE

Diameter

42mm

Thickness

14.35mm

Lug Width

22mm

Case Material

Steel

Water Resistance

200m

Crystal

Sapphire Crystal

MOVEMENT

Movement Type

Automatic

Caliber

B20

Power Reserve

70h

Frequency

28,800 vph (4 Hz)

Jewels

26 jewels

DIAL

Dial Color

Green

BRACELET/STRAP

Bracelet/Strap

Rubber

Clasp Type

Fold Clasp

Clasp Material

Steel

FEATURES & COMPLICATIONS

DateRotating BezelScrew-Down Crown

AB20104A1C1S1

AutomaticSteel

QUICK FACTS

BRAND

Breitling

REFERENCE

AB2010121L1S1

COLLECTION

Superocean Heritage

MOVEMENT

Automatic

CALIBER

B20

CASE MATERIAL

Steel

CRYSTAL

Sapphire Crystal

WATER RESISTANCE

200m (snorkeling)

PRODUCTION

2021 - Present

GENDER

Men

Add to my inventory

Last updated 7 Oct 2026Suggest a correction

FOR WATCH DEALERS

Trading the Breitling Superocean Heritage B20 Automatic 42?

Clone any catalog watch into your stock, sync it to Chrono24 and eBay, and invoice it with your own tax settings.

Explore dealer tools See inventory management

Breitling Superocean Heritage B20 Automatic 42

TECHNICAL SPECIFICATIONS

GENERAL

CASE

MOVEMENT

DIAL

BRACELET/STRAP

FEATURES & COMPLICATIONS

More from Breitling

Lady Premier Automatic 36

Lady Premier Automatic 36

Lady Premier Automatic 36

Chronomat Automatic 36

Chronomat Automatic 36

Chronomat Automatic 36

Superocean Heritage '57 Pastel Paradise

Superocean Heritage '57 Pastel Paradise

Other watches with the B20 calibre

Superocean Heritage B20 Automatic 42

Superocean Heritage B20 Automatic 42

Superocean Heritage B20 Automatic 42

Superocean Heritage B20 Automatic 42

Superocean Heritage B20 Automatic 42

Superocean Heritage B20 Automatic 42

Superocean Heritage B20 Automatic 42

Superocean Heritage B20 Automatic 42 Sylt Edition

QUICK FACTS

FOR WATCH DEALERS