Beaufort SeatrekkervsSeiko Prospex Sea 1965 Heritage Diver's Watch
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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.

Seatrekker

Prospex Sea 1965 Heritage Diver's Watch
Diameter
39mm
40mm
Lug-to-Lug
n/a
46.4mm
Thickness
12.6mm
lowest
13mm
Water Resistance
200m
300m
highest
Power Reserve
42h
72h
highest
MSRP
$345
lowest
$1,300
Movement
Miyota 9039
Seiko 6R55
Case
5 specsCrystal & Dial
4 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Beaufort Seatrekker is praised for its sharp case, intriguing dégradé dial, and good value around €600. One owner found the included TPU strap fit problematic, noting that an optional steel bracelet significantly improved wearability and perceived quality. The watch ran at +5-10 seconds per day during testing. On balance, owners and reviewers rate the Beaufort Seatrekker highly for its case finishing and dial design at its price point.
The case finishing is a strength. The lume brightness was not agreed upon.
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.
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