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Breitling Top Time B21 Shelby Cobra

Breitling Top Time B21 Shelby Cobra

AutomaticCeramic

Ref. SB21251A1C1X1

Collection: Top TimeCase size: 42mmMovement: B21Production: 2023 - Present

The Breitling Top Time B21 Shelby Cobra, reference SB21251A1C1X1, has a 42 mm ceramic case. The case measures 15.4 mm thick. Its self-winding B21 calibre delivers a 55 hour power reserve. A sapphire crystal covers the blue dial. This chronograph has a fixed bezel. The case is rated to 100 metres for water resistance. A calf leather strap fastens with a titanium folding clasp.

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Last updated 7 Oct 2026Suggest a correction

TECHNICAL SPECIFICATIONS

GENERAL

Gender

Men

CASE

Diameter

42mm

Thickness

15.4mm

Lug Width

22mm

Case Material

Ceramic

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

Blue

BRACELET/STRAP

Bracelet/Strap

Calf Skin

Clasp Type

Fold Clasp

Clasp Material

Titanium

FEATURES & COMPLICATIONS

Chronograph

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