Skip to content
Breitling Premier B21 Chronograph Tourbillon 42 Bentley

Breitling Premier B21 Chronograph Tourbillon 42 Bentley

AutomaticRose Gold

Ref. RB21201A1L1P1

Collection: PremierCase size: 42mmMovement: B21Production: 2021 - Present

Reference RB21201A1L1P1 identifies the Breitling Premier B21 Chronograph Tourbillon 42 Bentley with a 42 mm rose gold case. Thickness is 15.25 mm, and water resistance is rated to 100 metres. The limited edition chronograph has a tourbillon. Self-winding calibre B21 has a 55-hour power reserve. A sapphire crystal covers the green dial, and the bezel is fixed. An alligator leather strap closes with a rose gold folding clasp. The case also has a display back.

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

15.25mm

Lug Width

22mm

Case Material

Rose Gold

Water Resistance

100m

Crystal

Sapphire Crystal

MOVEMENT

Movement Type

Automatic

Caliber

B21

Power Reserve

55h

Frequency

28,800 vph (4 Hz)

Jewels

30 jewels

DIAL

Dial Color

Green

BRACELET/STRAP

Bracelet/Strap

Alligator Skin

Clasp Type

Fold Clasp

Clasp Material

Rose Gold

FEATURES & COMPLICATIONS

ChronographDisplay backLimited EditionTourbillon

More from Breitling

Show all →

Other watches with the B21 calibre

Show all →

FOR WATCH DEALERS

Trading the Breitling Premier B21 Chronograph Tourbillon 42 Bentley?

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