Side by side

Hamilton Khaki Navy Frogman AutovsSpinnaker Hull Riviera

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Khaki Navy Frogman Auto
HamiltonKhaki Navy Frogman Auto
MSRP $1,395
Hull Riviera
SpinnakerHull Riviera
MSRP $169

At a glance

11 of 29 specs differ
Diameter
Khaki Navy Frogman Auto41mm
Hull Riviera42mm
Power Reserve
Khaki Navy Frogman Auto80h
Hull Riviera40h
Water Resistance
Khaki Navy Frogman Auto300m
Hull Riviera100m
MSRP
Khaki Navy Frogman Auto$1,395
Hull Riviera$169

Full specifications

Case

7 specs
Category
Diver
Sport
Diameter
41mm
42mm
Thickness
13.09mm
15mm
Lug-to-Lug
46mm
47.5mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

1 specs
Dial Color
Black
Blue

Movement

2 specs
Caliber
H-10
SII NH35A
Power Reserve
80h
40h

Pricing

1 specs
MSRP
$1,395
$169

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What people say

Owners + reviewers, side by side

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

Hamilton Khaki Navy Frogman Auto

The Hamilton Khaki Navy Frogman Auto is praised for its wearable 41mm size and graceful silhouette, with reviewers highlighting its clean, date-free dial and well-defined bezel clicks. The H-10 automatic movement provides an 80-hour power reserve. Some reviewers note drawbacks such as a stiff rubber strap and buckle, and bezel grip in wet conditions. The case features brushed surfaces with polished bevels. On balance, reviewers rate the Hamilton Khaki Navy Frogman Auto highly for its blend of standout design and wearable dimensions.

Spinnaker Hull Riviera

Owners praise the Spinnaker Hull Riviera's build quality, highlighting its milled clasp, solid links, and effective anti-reflective coating on the sapphire crystal. The watch features a sandwich dial with Superluminova, measures 42mm in diameter, 12mm thick with a 48mm lug-to-lug span, and uses a Seiko NH35 movement. Accuracy is reported as excellent, with one owner noting a gain of only +2 seconds over seven days. The crystal is noted as being fused to the case, leading to a repair quote of $198 for a cracked crystal, a cost considered excessive by some owners relative to the watch's price. Lume is considered mediocre, and some would have preferred a 4Hz movement. Overall, owners rate the Spinnaker Hull Riviera highly for its robust build and impressive accuracy at its price point.

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