Circula Watches SuperSportvsSeiko Seiko 5 Sports SKX series

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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.

Circula Watches SuperSport at true scale

SuperSport

Seiko Seiko 5 Sports SKX series at true scale

Seiko 5 Sports SKX series

Diameter

40mm

38mm

Lug-to-Lug

46.5mm

44.2mm

lowest

Thickness

12mm

lowest

12.1mm

Water Resistance

300m

highest

100m

Power Reserve

41h

41h

MSRP

n/a

$350

Movement

Sellita SW200-1

Seiko 4R36

Case

4 specs
Diameter
40mm
38mm
Thickness
12mm
12.1mm
Lug-to-Lug
46.5mm
44.2mm
Water Resistance
300m
100m

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
Dial Color
Petrol
n/a
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Sellita SW200-1
Seiko 4R36
Power Reserve
41h
41h
Jewels
0
24

Pricing

1 specs
MSRP
n/a
$350
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Circula Watches SuperSport

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.

From video reviewers

The petrol dial color and the super-compressor case design are highlighted strengths. Reviewers did not agree on any weaknesses.

Seiko 5 Sports SKX series

The Seiko 5 Sports SKX series is widely praised as an excellent value gateway watch, with owners and reviewers highlighting its solid build and powerful lume. The 22mm bracelet is noted for its comfort, and the watch offers numerous style options. Some owners find the original SKX models heavy and bulky, while others appreciate their ruggedness and iconic dive watch design. The Seiko 5 Sports SKX series offers an upgraded movement with hacking and hand-winding, and standard spring bars for easier strap changes. However, it lacks the screw-down crown and ISO certification of the original SKX, leading some to consider it less of a tool watch. On balance, owners and reviewers rate the Seiko 5 Sports SKX series highly for its value and modern features, despite some preferring the tool watch capabilities of its predecessor.