Beaufort BicompaxvsSeiko Astron GPS Solar 2025 Limited Edition

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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 Bicompax at true scale

Bicompax

Seiko Astron GPS Solar 2025 Limited Edition at true scale

Astron GPS Solar 2025 Limited Edition

Diameter

40.5mm

43.4mm

Lug-to-Lug

47mm

lowest

49.5mm

Thickness

13.8mm

13.4mm

lowest

Water Resistance

50m

100m

highest

Power Reserve

63h

n/a

MSRP

$810

lowest

$2,900

Movement

Sellita SW510

Seiko 5X83

Case

6 specs
Diameter
40.5mm
43.4mm
Thickness
13.8mm
13.4mm
Lug-to-Lug
47mm
49.5mm
Lug Width
20mm
14mm
Material
Stainless Steel
Titanium
Water Resistance
50m
100m

Crystal & Dial

4 specs
Crystal Shape
n/a
Curved
AR Coating
n/a
Super-clear coating
Dial Color
Salmon
n/a
Lume
Super-LumiNova applied to the index and hands for low-light readability.
LumiBrite on hands and index(es)

Movement

4 specs
Caliber
Sellita SW510
Seiko 5X83
Type
Manual
Quartz
Power Reserve
63h
0h
Jewels
0
14

Pricing

1 specs
MSRP
$810
$2,900
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Reviews

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

Beaufort Bicompax

Owners widely praise the Beaufort Bicompax for its attractive bicompax chronograph design, clean aesthetic, and excellent legibility with effective lume. The Sellita SW510 BH b movement is noted for performing well, with winding and setting actions comparable to ETA movements and accuracy within COSC parameters at +5 seconds/day. Fit and finish are considered spot on, with a well-executed gradient dial and subdials, and the h-link bracelet is described as comfortable and easy to size. Some owners find the price a bit high for the specifications on paper, and one commenter felt the blue dial could have more depth. On balance, owners and reviewers rate the Beaufort Bicompax highly for its vintage aesthetic and reliable manual-wind chronograph movement at 40.5mm.

Seiko Astron GPS Solar 2025 Limited Edition

Owners praise the Seiko Astron GPS Solar 2025 Limited Edition for its advanced satellite timekeeping and perpetual calendar, with a legible dial and high-quality titanium or steel case featuring a ceramic bezel. However, its size is noted as enormous, with some finding it wears large and doesn't fit well under shirt sleeves, though the technology is considered very cool. GPS signal reception requires a clear view of the sky, which can be an issue indoors. On balance, owners and reviewers rate the Seiko Astron GPS Solar 2025 Limited Edition highly for its cutting-edge satellite timekeeping technology.

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