Chrono Cockpit

In Context

At 39 mm it sits just under the modern norm — the band that suits the widest spread of wrists. At 14.8 mm it is a tall case, and it will catch on a cuff. The case back is closed, so the movement stays out of sight, and the sapphire crystal will resist everything short of deliberate abuse. 100 m is genuine swimming resistance — more than the shape of this watch suggests it would need.

The movement winds itself from the motion of your wrist. 42 hours of reserve carries it overnight, but not through a weekend in a drawer. At 28,800 vph the seconds hand advances 8 times a second.

B1335812C679 stands on its own in this catalogue — no other reference here shares its base number. It pairs a blue dial with a yellow gold, stainless steel case.

The Caliber 13 is Breitling's Valjoux 7750, the cam-actuated automatic chronograph that carried the brand from the 1980s until the in-house B01. It is inside 349 watches in this library. The 7750 is the most-produced automatic chronograph ever made, and the [7750 piece](/blog/the-valjoux-7750-family) covers its design: a cam and lever in place of a column wheel, a horizontal clutch, and a layout that puts the counters at 6, 9 and 12 o'clock. Breitling's version keeps all of that, adds a date and on some versions a day, and is certified by the COSC. It runs at 28,800 vph with a 42-hour reserve and 25 jewels, and ETA or Sellita supply the base depending on the year. Its thickness, 7.9 mm, is why the watches around it are thick too. In the library it is chiefly an Avenger movement: 160 of the 349 references are [Avengers](/brands/breitling/avenger), including the 48 mm Super Avenger, which is why 48 mm is the most common case size at 70 references. The [Galactic](/brands/breitling/galactic) chronograph accounts for 32, the [Navitimer](/brands/breitling/navitimer) for 31, the Chronomat Evolution for 28, the [Superocean](/brands/breitling/superocean) for 27 and the [Superocean Heritage](/brands/breitling/superocean-heritage) for 22. The [Caliber 23](/calibers/breitling-caliber-23) and [Caliber 21](/calibers/breitling-caliber-21) are the 7753 and 7751 variants of the same family, and the [B01](/calibers/breitling-caliber-b01) is the column-wheel movement that replaced it.

348 other watches in the library run the Breitling Caliber 13.

Breitling

Superocean Chronograph II

A1334102BA81131S · 44 mm

Breitling

Superocean Chronograph II

A1334102BA84131S · 44 mm

Breitling

Superocean Chronograph II

A1334102BA85433X · 44 mm

Breitling

Superocean Chronograph II

A1334102BA85131S · 44 mm