Breitling Top Time B31
AB3113281A1X1
- Case
- 38mm
- MSRP
- $5,850
- Movement
- Automatic
- Reserve
- 78h
VS
Building 1v1 comparison
Building 1v1 comparison
1v1 Watch Comparison
A focused side-by-side page for specs, fit, movement details, review notes, and enthusiast context.
AB3113281A1X1
ALT42-CHR-G-SS-BL-B
Pair Review
Built from the saved specs and wearability notes for these two watches, then weighed against enthusiast priorities like fit, movement quality, practicality, finishing, value, and collector appeal.
Where it wins
Buyers who prioritize comfort, smaller case proportions, and easy daily wear
Where it wins
Collectors who want complication density, COSC certification, and a modern aviation-instrument aesthetic
The Bremont uses the automatic BC781AC with 25 jewels, a 4 Hz beat rate, 62 hours of power reserve, chronometer certification, and both chronograph and GMT functions. That gives it the more complex and explicitly tool-focused movement package, plus a stronger listed performance credential via COSC. The Breitling B31 is also an automatic manufacture caliber at 4 Hz, but it is a simpler time-and-date movement with a longer 78-hour power reserve and no listed certification. In pure technical sophistication and complication set, Bremont wins; in reserve length, Breitling wins. Winner: Bremont Altitude 42mm Chronograph GMT Blue Dial On Bracelet
The Breitling is much easier to fit: 38mm diameter, 10.31mm thickness, and 65.84g make it clearly the smaller and lighter watch. The wearability notes reinforce that it lands in a sweet spot for small to medium wrists and still works on larger wrists without feeling oversized. By contrast, the Bremont is a substantial 42mm by 14.7mm and 88.8g, with a 49.62mm lug-to-lug, so it carries real wrist presence and will feel more like a modern instrument than a slim sports watch. Its wearability notes specifically frame it as a large, bold pilot chronograph with a technical aviation aesthetic. For comfort and range of wrist sizes, the Breitling is the easier wear. Winner: Breitling Top Time B31
The Bremont has the more functional day-to-day spec set on paper: blue dial, chronograph, GMT, 100m water resistance, anti-reflective sapphire, and a decorated open case back. The wearability notes also emphasize strong legibility and a clean cockpit-style layout despite the extra complications, plus a more refined integrated bracelet than earlier Bremont bracelets. The Breitling is simpler but more relaxed: 100m water resistance, sapphire crystal, date display, and a straight beige calfskin strap with a tang buckle. Its wearability notes highlight excellent versatility, vintage motorsport charm, and a lighter, more casual daily character, though it lacks the travel and timing utility of the Bremont. If practicality means feature density and travel readiness, Bremont wins; if it means easy, low-effort comfort, Breitling is more approachable. Winner: Bremont Altitude 42mm Chronograph GMT Blue Dial On Bracelet
The Breitling has the lower MSRP at $5,850 versus $6,600 for the Bremont, while also offering the more wearable case size and a manufacture movement with a long 78-hour reserve. The Bremont counters with COSC certification, chronograph/GMT capability, 904L steel with Trip-Tick construction, and a more specialized aviation-instrument identity that should appeal to collectors who value distinctiveness and technical framing. The Breitling’s brand context in the data leans more broadly recognizable, and its restrained proportions make it easier to enjoy as an everyday ownership piece. On the other hand, the Bremont feels more niche and mechanically expressive. Considering listed price, comfort, and ease of ownership, the Breitling is the stronger value proposition; considering collector appeal for complication-rich British tool-watch design, the Bremont has a stronger enthusiast hook. Winner: Breitling Top Time B31
Compared
AB3113281A1X1
ALT42-CHR-G-SS-BL-B