Seiko 5 Sports SKX seriesvsThorn 37mm PT5000 Automatic Dive Watch T028

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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.

Seiko 5 Sports SKX series at true scale

5 Sports SKX series

Thorn 37mm PT5000 Automatic Dive Watch T028 at true scale

37mm PT5000 Automatic Dive Watch T028

Diameter

38mm

37mm

Lug-to-Lug

44.2mm

lowest

46.6mm

Thickness

12.1mm

lowest

13.2mm

Water Resistance

100m

200m

highest

Power Reserve

41h

n/a

MSRP

$350

$199

lowest

Movement

Seiko 4R36

PT5000

Case

4 specs
Diameter
38mm
37mm
Thickness
12.1mm
13.2mm
Lug-to-Lug
44.2mm
46.6mm
Water Resistance
100m
200m

Crystal & Dial

2 specs
Crystal
Hardlex
Sapphire
Lume
LumiBrite on hands and index(es)
None

Movement

3 specs
Caliber
Seiko 4R36
PT5000
Power Reserve
41h
0h
Jewels
24
0

Pricing

1 specs
MSRP
$350
$199
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Reviews

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

Seiko 5 Sports SKX series

The Seiko 5 Sports SKX series is widely praised as an excellent value gateway watch, with owners and reviewers highlighting its solid build and powerful lume. The 22mm bracelet is noted for its comfort, and the watch offers numerous style options. Some owners find the original SKX models heavy and bulky, while others appreciate their ruggedness and iconic dive watch design. The Seiko 5 Sports SKX series offers an upgraded movement with hacking and hand-winding, and standard spring bars for easier strap changes. However, it lacks the screw-down crown and ISO certification of the original SKX, leading some to consider it less of a tool watch. On balance, owners and reviewers rate the Seiko 5 Sports SKX series highly for its value and modern features, despite some preferring the tool watch capabilities of its predecessor.

Thorn 37mm PT5000 Automatic Dive Watch T028

Owners widely praise the PT5000 movement for its smooth winding feel and excellent screw-down crown action, with one owner observing accuracy of +1 second per day and a beat error of 0.1ms. The Thorn 37mm PT5000 Automatic Dive Watch T028 is noted to have a thicker bezel and top hat crystal, contributing to a perceived top-heaviness and a case height of 13.4mm. On balance, owners value the smooth winding and accurate timekeeping of the Thorn 37mm PT5000 Automatic Dive Watch T028, despite some finding its proportions top-heavy.

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