Breitling Transocean Transocean Chronograph Unitime Stainless Steel / Black / Calf

Reference AB0510U4.BE84.439X

About this watch

The Breitling Transocean Chronograph Unitime AB0510U4.BE84.439X is a masterpiece of horological engineering, boasting an in-house automatic movement with chronograph and world timer functions. Its robust 46 mm stainless steel case and sapphire crystal ensure durability and water resistance up to 100 meters. The watch features a sleek black dial with stick indexes and hands, perfect for readability at a glance. With its luxurious calfskin leather strap and polished finish, this timepiece exudes sophistication and elegance. Whether you're a seasoned traveler or an adventurer at heart, the Transocean Chronograph Unitime is the perfect companion for your journey. Its impressive features, including a column-wheel chronograph and date function, make it a valuable investment for watch enthusiasts and everyday users alike.
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Key Features

  • 46 mm stainless steel case
  • In-house Breitling Caliber B05 movement
  • Chronograph and world timer functions
  • Sapphire crystal with water resistance up to 100 meters
  • Luxurious calfskin leather strap
  • Polished finish for added sophistication
  • Column-wheel chronograph for precise timekeeping

Specifications

Brand
Breitling
Family
Transocean
Model
Transocean Chronograph Unitime Stainless Steel / Black / Calf
Reference
AB0510U4.BE84.439X
Movement
caliber-b05
Movement Features
  • Hours, Minutes, Small Seconds, World Time
  • Date
  • Chronograph, Column wheel
  • Chronometer
Case
Stainless Steel 46mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS][US] Breitling Transocean Chronograph - Sliver Dial - 38mm - A41310

[US] Breitling Transocean Chronograph - Sliver Dial - 38mm - A41310

Breitling - A41310 · $2,650
This Breitling Transocean Chronograph features a silver dial and measures 38mm in diameter. It is a mechanical watch with no issues.

  • Condition: great condition
  • Case size: 38mm
  • Links removable: 4
Posted at
May 27, 2026, 7:22 AM
Active
[WTS] Breitling Transocean Untime

Breitling Transocean Untime

Breitling - AB0510U0 · $3,950
This Breitling Transocean Unitime Chronograph features a date window at the 4:30 position, chronograph function, and 24 time zones tracking capability. The watch is in excellent condition, serviced and professionally polished two years ago.

  • Condition: Excellent
  • Bracelet size: 7.25”
  • Extra links: 2
  • Included accessories: Breitling mesh metal bracelet,Original Breitling travel case,Replacement box,Third party blue crocodile leather strap with OEM Breitling buckle
Posted at
May 24, 2026, 3:12 PM
Active
[WTS] Breitling Transocean Chrono-Matic 2119 Caliber 12 - Vintage - Serviced

Breitling Transocean Chrono-Matic 2119 Caliber 12 - Vintage - Serviced

Breitling - 2119 · $3,100
A circa 1971 Breitling Transocean Chrono-Matic chronograph automatic watch in 42 mm with the Breitling caliber 12. The watch has a tritium dial and hands that are very clean.

  • Condition: good
  • Caliber: Breitling Caliber 12
  • Bracelet: original Breitling steel bracelet with folding clasp
  • Case size: 42 mm diameter (measured without crown)
Posted at
May 23, 2026, 11:08 AM
Active
[WTS][US] Breitling Transocean Chronograph - Sliver Dial - 38mm - A41310

[US] Breitling Transocean Chronograph - Sliver Dial - 38mm - A41310

Breitling - A41310 · $2,675
This Breitling Transocean Chronograph features a silver dial, 38mm case size and is in excellent mechanical condition.

  • Condition: Great condition
  • Case size: 38mm
  • Links included: 4 removable links
Posted at
May 20, 2026, 7:50 AM
Active
[WTS] Breitling Transocean Unitime for $4500

Breitling Transocean Unitime for $4500

Breitling - AB0510U0 · $4,500
This Breitling Transocean Unitime Chronograph is a high-end watch featuring a date window, chronograph function, and 24 time zone tracking. It comes with original accessories including a mesh metal bracelet and travel case.

  • Condition: Excellent
  • Bracelet Length: 7.25 inches
  • Extra Bracelet Links: 2
Posted at
May 16, 2026, 11:44 AM
Active
Breitling Transocean Day & Date Steel White Dial Automatic A45310

Breitling Transocean Day & Date Steel White Dial Automatic A45310

Breitling - A45310 · $3,250
The Breitling Transocean Day & Date is a mechanical automatic watch with a stainless steel case and a white dial. It features a day-date function and is sized for men at 43mm in diameter.

  • Condition: 95%
  • Size: 43mm diameter
  • Case material: stainless steel
Posted at
Mar 9, 2025, 9:05 AM
Active