Breitling Super Avi B04 Chronograph GMT 46 P 51 MustangvsSeiko Prospex SPEEDTIMER Mechanical
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
Owners + reviewers, side by side
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Breitling Super Avi B04 Chronograph GMT 46 P 51 Mustang is praised for its vintage aviation aesthetic, legible dial, and in-house B04 GMT movement. Owners appreciate its unique, bold design that stands out, with some finding it wears smaller than its 46mm case suggests. Reviewers note the crisp look, sharp polished bezel, and brushed case finishing. However, the watch's substantial 46mm size and thickness are widely considered too large for smaller wrists, though some find it surprisingly comfortable. The price is also noted as high, with some questioning the value unless the GMT complication is essential. The inclusion of a date function is seen by some as a departure from historical references. Overall, owners and reviewers rate the Breitling Super Avi B04 Chronograph GMT 46 P 51 Mustang highly for its successful blend of aviation heritage and modern watchmaking, despite its considerable size.
The Seiko Prospex SPEEDTIMER Mechanical is praised for its visually appealing design and comfortable wearability, with owners frequently using its chronograph function for daily tasks. Reviewers note its clean dial layout and LumiBrite treated hands and markers, and one source highlights the 72-hour power reserve of the 6R55 movement. However, some owners criticize its chronograph functionality and the 24-hour subdial. On balance, owners and reviewers rate the Seiko Prospex SPEEDTIMER Mechanical highly for its daily usability and refined aesthetics.
At a glance
18 of 29 specs differFull specifications
Case
7 specsCrystal & Dial
5 specsMovement
5 specsPricing
1 specsMore watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
Follow this matchup
Get a note when Breitling Super Avi B04 Chronograph GMT 46 P 51 Mustang vs Seiko Prospex SPEEDTIMER Mechanical gets more votes, a community discussion, or a price drop. No account needed.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.









