Circula Watches AquaSport GMTvsSeiko Prospex Sea 1965 Heritage Diver's Watch
lug2lug doesn't sell watches. Buy links open the brand's or seller's own site. Some links are affiliate links: lug2lug may earn a commission at no extra cost to you. Disclosures
Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

AquaSport GMT

Prospex Sea 1965 Heritage Diver's Watch
Diameter
40mm
40mm
Lug-to-Lug
46mm
lowest
46.4mm
Thickness
12.6mm
lowest
13mm
Water Resistance
200m
300m
highest
Power Reserve
56h
72h
highest
MSRP
n/a
$1,300
Movement
Sellita SW330-2
Seiko 6R55
Case
3 specsCrystal & Dial
4 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.
Owners widely praise the Seiko Prospex Sea 1965 Heritage Diver's Watch for its refined engineering, comfortable 40mm case, and improved 300m water resistance. The watch is noted for its better build quality and finishing compared to some alternatives, featuring a mix of polished and brushed surfaces, with specific callouts for the jewel-toned teal dial with a rippling-water pattern. Some owners consider the price fair, while others suggest it is too high. Accuracy figures vary, with some owners reporting their 6R55 movement performs well within +/- 10 seconds per day, while others note theirs runs slow or have concerns about QC for the price. The bracelet, while improved, lacks modern features like quick-release or extensive micro-adjustments. Overall, owners and reviewers rate the Seiko Prospex Sea 1965 Heritage Diver's Watch highly for its refined design and build quality at its price point.
Similar watches
Matched to the watches above on size, movement, style and price, microbrands first. Open any one to dig in.
Also compared
Comparisons nearby in the catalog: alternatives to the watches above paired against the matchup.








