Circula Watches SuperSportvsSquale 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.

SuperSport

1521
Diameter
40mm
42mm
Lug-to-Lug
46.5mm
n/a
Thickness
12mm
lowest
12.5mm
Water Resistance
300m
500m
highest
Power Reserve
41h
highest
38h
MSRP
n/a
$1,265
Movement
Sellita SW200-1
Sellita SW200-1
Case
5 specsCrystal & Dial
1 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Circula SuperSport for its excellent value, German heritage, and impressive specifications, with many highlighting its petrol dial and genuine Super-Compressor design. Reviewers note the refined brushed finish, scratch-resistant sapphire crystal, and a solid build quality with smooth crowns on the final version, which also offers excellent lume. The 40mm case is described as thinner and more refined than a prototype. On balance, owners and reviewers rate the Circula SuperSport highly for its attention to detail and quality at a competitive price.
The petrol dial color and the super-compressor case design are highlighted strengths. Reviewers did not agree on any weaknesses.
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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