Duxot JaspervsSeiko Prospex Sea
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.
Jasper
Prospex Sea
Diameter
40mm
41.7mm
Lug-to-Lug
n/a
49.5mm
Thickness
n/a
12.3mm
Water Resistance
200m
200m
Power Reserve
42h
highest
41h
MSRP
$400
lowest
$595
Movement
Automatic
Seiko 4R35
Case
3 specsCrystal & Dial
3 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Duxot Jasper is widely praised for its quality and value, especially when on sale, and is considered a step above fashion watches, suitable for rough wear at work. Owners report the case looks good and feels solid, though one owner noted the bracelet felt flimsy. Accuracy varies, with one owner reporting no issues for weekend wear, while another's friend's watch gained 2-3 minutes every hour after two months. On balance, owners rate the Duxot Jasper highly for its robust case and value proposition, particularly when purchased at a discount.
Owners widely report the Seiko Prospex Sea is a well-built watch at a fair price, with some finding its 41.7mm case size perfect while others with smaller wrists consider it big, thick, and heavy. Reviewers consistently praise the excellent lume and robust design. One owner notes the bezel action is smoother and more precise than some other Seiko divers. Overall, owners and reviewers rate the Seiko Prospex Sea highly for its value and proven design.
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.