Skip to content
Breitling Premier B15 Duograph 42

Breitling Premier B15 Duograph 42

Manual WindingRose Gold

Ref. RB1510251B1P1

Collection: PremierCase size: 42mmMovement: B15Production: 2021 - Present

With a 42 mm rose gold case, the Breitling Premier B15 Duograph 42 carries reference RB1510251B1P1. The case is 15.35 mm thick and has a 100 metre water-resistance rating. Manual-winding calibre B15 provides a 70-hour power reserve. The double chronograph has a fixed bezel and a display back. An alligator leather strap closes with a rose gold folding clasp. Sapphire crystal protects the black dial.

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

15.35mm

Lug Width

22mm

Case Material

Rose Gold

Water Resistance

100m

Crystal

Sapphire Crystal

MOVEMENT

Movement Type

Manual Winding

Caliber

B15

Power Reserve

70h

Frequency

28,800 vph (4 Hz)

Jewels

27 jewels

DIAL

Dial Color

Black

BRACELET/STRAP

Bracelet/Strap

Alligator Skin

Clasp Type

Fold Clasp

Clasp Material

Rose Gold

FEATURES & COMPLICATIONS

ChronographDisplay backDouble chronograph

More from Breitling

Show all →

Other watches with the B15 calibre

Show all →

FOR WATCH DEALERS

Trading the Breitling Premier B15 Duograph 42?

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