Hamilton Khaki Navy Scuba AutovsSeiko Prospex Alpinist

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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.

Hamilton Khaki Navy Scuba Auto at true scale

Khaki Navy Scuba Auto

Seiko Prospex Alpinist at true scale

Prospex Alpinist

Diameter

40mm

38mm

Lug-to-Lug

n/a

46mm

Thickness

12.9mm

12.9mm

lowest

Water Resistance

100m

200m

highest

Power Reserve

80h

highest

70h

MSRP

$975

$503

lowest

Movement

Hamilton H-10

Seiko 6R35

Case

5 specs
Diameter
40mm
38mm
Thickness
12.95mm
12.9mm
Lug-to-Lug
n/a
46mm
Lug Width
20mm
n/a
Water Resistance
100m
200m

Crystal & Dial

2 specs
Dial Color
Black
n/a
Lume
None
LumiBrite

Movement

3 specs
Caliber
Hamilton H-10
Seiko 6R35
Power Reserve
80h
70h
Complications
None
Date

Pricing

1 specs
MSRP
$975
$503
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Reviews

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

Hamilton Khaki Navy Scuba Auto

Owners widely praise the Hamilton Khaki Navy Scuba Auto as an excellent value proposition under $1,000, highlighting its distinctive design, legible lume, and tactile bezel. Some owners appreciate its 40mm case size for comfortable everyday wear, while others find the 43mm variants feel great on the wrist. The H-10 automatic movement provides an 80-hour power reserve. However, the 43mm case size is noted as large by some, and the steel bracelet could benefit from a taper and a quick-adjust clasp. On balance, owners and reviewers rate the Hamilton Khaki Navy Scuba Auto highly for its robust tool watch design and impressive value at its price point.

From video reviewers

The 80-hour power reserve from the H-10 movement is a significant strength. Reviewers noted the bezel action and bracelet/clasp as points of focus.

Seiko Prospex Alpinist

Owners widely praise the Seiko Prospex Alpinist for its excellent 38mm case size and versatile design, making it a capable everyday and business-casual watch. The dark green sunburst dial is a standout feature, described as dynamic and beautifully textured. Its character is further enhanced by the compass bezel and gold indices, and it is considered a great "GADA" (Go Anywhere, Do Anything) watch and a "strap monster" adaptable to various bands. One owner notes the gold tone is less convincing than solid gold alternatives. Overall, owners rate the Seiko Prospex Alpinist highly for its appealing design and wearability at the price point.