Circula Watches AquaSport GMTvsSeiko 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.

AquaSport GMT

Seiko 5 Sports SKX series
Diameter
40mm
38mm
Lug-to-Lug
46mm
44.2mm
lowest
Thickness
12.6mm
12.1mm
lowest
Water Resistance
200m
highest
100m
Power Reserve
56h
highest
41h
MSRP
n/a
$350
Movement
Sellita SW330-2
Seiko 4R36
Case
4 specsCrystal & Dial
3 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Circula Watches Taucheruhren von CiRCULA for its exceptional quality and value for the price, with many citing its robust construction, including hardened stainless steel and strong anti-magnetic technology. Some owners find the watch comfortable and well-suited for smaller wrists, appreciating the clean dial and the inclusion of bonus accessories like extra straps and tools. One owner noted the Sellita SW330-2 movement as a strong point at this price. However, one owner found the lug-to-lug length too long and the watch too heavy for all-day wear, preferring a different size. Overall, owners rate the Circula Watches Taucheruhren von CiRCULA highly for its impressive build quality and value proposition.
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.
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