Astor + Banks Fortitude LitevsSeiko King Seiko KSK

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Astor + Banks Fortitude Lite

MSRP $650

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Buy from Astor + Banks Used on eBay

Seiko King Seiko KSK

MSRP $1,900

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Buy from Seiko Used on eBay

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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.

Fortitude Lite

King Seiko KSK

Diameter

Across the case, crown excluded.

38.5mm

36.1mm

Lug-to-Lug

The number that decides fit.

45.5mm

43mm

lowest

Thickness

How it sits under a cuff.

10.9mm

lowest

11.6mm

Water Resistance

Rated in meters.

200m

highest

100m

Power Reserve

How long it runs off the wrist.

n/a

72h

MSRP

Sticker price, new.

$650

lowest

$1,900

Movement

What drives the hands.

Miyota 9039

Seiko 6R51

Spec

Fortitude Lite

King Seiko KSK

Case

7 specs

Crystal & Dial

4 specs

Crystal Shape

n/a

Box

AR Coating

n/a

Anti-reflective coating on inner surface

Dial Color

Maíz

n/a

Lume

None

LumiBrite on hands and index(es)

Movement

3 specs

Caliber

Miyota 9039

Seiko 6R51

Power Reserve

72h

Jewels

Pricing

1 specs

MSRP

$650

$1,900

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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.

WatchUSeek

A Blog to Watch

Seiko King Seiko KSK

Owners widely praise the Seiko King Seiko KSK's refined finishing, with polishing on par with Grand Seiko, and its dial, hands, and indices are noted for their execution. The watch is described as wearing smaller than its listed size, with a cushion case contributing to a comfortable, close-to-the-wrist feel. Some owners find the watch overpriced for its movement, with one noting misaligned caseback and clasp screws, while others defend the price based on finishing, bracelet, and design. Accuracy figures vary, with one owner reporting +5 to +7 seconds per day and another noting +15/-10 seconds per day. Overall, owners and reviewers rate the Seiko King Seiko KSK highly for its exceptional finishing and vintage-inspired design at its price point.