Beaufort SeatrekkervsSeiko Prospex Sea

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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.

Beaufort Seatrekker at true scale

Seatrekker

Seiko Prospex Sea at true scale

Prospex Sea

Diameter

39mm

41.3mm

Lug-to-Lug

n/a

48.2mm

Thickness

12.6mm

12.5mm

lowest

Water Resistance

200m

300m

highest

Power Reserve

42h

72h

highest

MSRP

$345

lowest

$1,100

Movement

Miyota 9039

Seiko 6R55

Case

5 specs
Diameter
39mm
41.3mm
Thickness
12.55mm
12.5mm
Lug-to-Lug
n/a
48.2mm
Lug Width
n/a
20mm
Water Resistance
200m
300m

Crystal & Dial

3 specs
AR Coating
n/a
Anti-reflective coating on inner surface
Dial Color
Blue
n/a
Lume
C3 Super-LumiNova applied to indices and hands for low-light readability.
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Miyota 9039
Seiko 6R55
Power Reserve
42h
72h
Jewels
0
24

Pricing

1 specs
MSRP
$345
$1,100
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Reviews

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

Beaufort Seatrekker

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.

From video reviewers

The case finishing is a strength. The lume brightness was not agreed upon.

Seiko Prospex Sea

Owners and reviewers widely praise the Seiko Prospex Sea for its robust build quality and fair price, with many noting its comfortable silicone strap. Some owners find the watch's size, thickness, and weight to be uncomfortable for smaller wrists, while others consider the size perfect. The consensus is that the Seiko Prospex Sea offers excellent value and build quality for its price.