Astor + Banks Fortitude LitevsSeiko Seiko 5 Sports Field series

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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.

Astor + Banks Fortitude Lite at true scale

Fortitude Lite

Seiko Seiko 5 Sports Field series at true scale

Seiko 5 Sports Field series

Diameter

38.5mm

39.4mm

Lug-to-Lug

45.5mm

lowest

48.1mm

Thickness

10.9mm

lowest

13.2mm

Water Resistance

200m

highest

100m

Power Reserve

n/a

41h

MSRP

$650

$315

lowest

Movement

Miyota 9039

Seiko 4R36

Case

5 specs
Diameter
38.5mm
39.4mm
Thickness
10.9mm
13.2mm
Lug-to-Lug
45.5mm
48.1mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

4 specs
Crystal
Sapphire
Hardlex
Crystal Shape
n/a
Curved
Dial Color
Maíz
Black
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Miyota 9039
Seiko 4R36
Power Reserve
0h
41h
Jewels
0
24

Pricing

1 specs
MSRP
$650
$315
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Reviews

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

Astor + Banks Fortitude Lite

Owners praise the Astor + Banks Fortitude Lite for its 10.9mm thickness and redesigned lugs that turn down, along with the removal of the date complication. Reviewers note the 38.5mm case size, layered finishing with polished chamfers, and scratch-resistant coating. Some owners find the value proposition questionable at $650 compared to alternatives. Overall, owners and reviewers appreciate the Fortitude Lite for its refined case design and finishing.

Seiko 5 Sports Field series

The Seiko 5 Sports Field series is praised for its excellent legibility, featuring fully lumed Arabic numerals and a lumed pearl on the compass bezel. Reviewers note the reliable 4R36 movement and 10 bar water resistance, with some considering the watches good value under 500 euros. The GMT variants, specifically the SSK023 and SSK025, offer an accessible explorer watch with a GMT complication and a fixed 24-hour bezel. Overall, owners and reviewers rate the Seiko 5 Sports Field series highly for its legibility and value proposition.