Breitling RB0521 Bentley B05 Unitime 49mm 2015 BXP

A bold statement piece that unites high-complication watchmaking with automotive luxury, the Breitling Bentley B05 Unitime stands out in both design and engineering.

Key Features

Model: Bentley B05 Unitime

Reference: RB0521 (49 mm case)

Case Size: 49 mm diameter (very large wrist presence)
escapementmagazine.com
+2
breitlingsource.com
+2

Case Material: 18k Rose Gold (in this RB0521 version)
Chrono24
+1

Dial: World-map themed, world-time disc showing 24 time-zones, chronograph sub-registers
escapementmagazine.com
+1

Movement: Manufacture Breitling Calibre B05 (automatic; 56 jewels; ~70-hour power reserve)
breitlingsource.com
+1

Functions: Hours, minutes, small seconds; date; chronograph; world time for 24 zones; quick-set from crown
escapementmagazine.com
+1

Water Resistance: 100 metres / 10 bar
breitlingsource.com
+1

Year & Condition

Circa 2015 model. Excellent pre-owned condition — shows light wear consistent with careful use and retains full presence and mechanics.

Inclusions

Includes Original Box and Papers (as per reference listing) — completes the collector’s full set.

Warranty

Includes 12-Month Warranty by Martha & Kozma covering time-keeping accuracy and mechanical performance.

If you’d like, I can provide recent market comparables (selling prices, trends) for this model to assist with valuation.

ChatGPT can make mistakes. Check important info.