Breitling Superocean Heritage B20 AutomaticvsSquale 1521

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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Superocean Heritage B20 Automatic

1521
Diameter
42mm
42mm
Thickness
14.3mm
12.5mm
lowest
Water Resistance
200m
500m
highest
Power Reserve
70h
highest
38h
MSRP
$7,250
$1,265
lowest
Movement
Breitling B20
Sellita SW200-1
Case
6 specsMovement
4 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Breitling Superocean Heritage B20 Automatic for its refined finishing, comfortable wearability, and in-house movement production, with many finding the 42mm case size to be ideal for everyday wear and better than larger variants. The dial refinement, excellent anti-reflective coating, and attractive retro-inspired design are frequently highlighted, alongside the comfort and refinement of the bracelet. Some owners note the watch's accuracy ranges from +2s/d to +3s/d. Caveats include a weak lume for a dive watch, potential alignment issues with the 12 marker, bezel, and date wheel, and a gap between the bracelet and case. The fitted ends of the rubber strap can angle too sharply for flatter wrists, and some find the new hands and bezel lume pip detract from the original's charm.
Owners widely praise the Squale 1521 for its classic look and robust build, with specific mentions of its wearable 12.5mm thickness and refined case finishing. The 42mm case is noted by some to wear smaller, closer to 40mm, due to short lugs, feeling solid without being too large. However, opinions on the bracelet vary, with some finding it too flashy or stiff, and one owner reported moisture ingress after a shower due to a loose case back. The crown can be difficult to operate due to deep integration, and the 38-hour power reserve is considered old-school but reliable. Overall, owners rate the Squale 1521 highly for its classic design and wearability, despite some reservations about the bracelet and crown.
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