Side by side

Hamilton Khaki Navy Scuba AutovsSeiko Prospex Sea 1968 Heritage Diver's GMT Watch

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

Khaki Navy Scuba Auto
HamiltonKhaki Navy Scuba Auto
MSRP $975

At a glance

10 of 29 specs differ
Diameter
Khaki Navy Scuba Auto40mm
Prospex Sea 1968 Heritage Diver's GMT Watch42mm
Power Reserve
Khaki Navy Scuba Auto80h
Prospex Sea 1968 Heritage Diver's GMT Watch72h
Water Resistance
Khaki Navy Scuba Auto100m
Prospex Sea 1968 Heritage Diver's GMT Watch300m
MSRP
Khaki Navy Scuba Auto$975
Prospex Sea 1968 Heritage Diver's GMT Watch$1,700

Full specifications

Case

4 specs
Diameter
40mm
42mm
Thickness
12.95mm
13.3mm
Lug-to-Lug
46mm
48.6mm
Water Resistance
100m
300m

Crystal & Dial

2 specs
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
H-10
6R54
Power Reserve
80h
72h
Jewels
25
24

Pricing

1 specs
MSRP
$975
$1,700

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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 Scuba Auto

Owners and reviewers widely praise the Hamilton Khaki Navy Scuba Auto for its exceptional value, robust construction, and distinctive dial designs, with many highlighting the 80-hour power reserve provided by the H-10 movement. The watch is frequently noted for its utilitarian dial, legible lume, and tactile bezel action. However, the 43mm case size is a recurring point of contention, with several sources deeming it large for everyday wear, though some owners find it comfortable and appreciate its substantial feel. One reviewer points out that the steel bracelet could benefit from a taper and a quick-adjust clasp, and another notes the unlumed bezel pip as a minor area for improvement. Overall, the Hamilton Khaki Navy Scuba Auto is highly regarded by owners and reviewers for its strong value and appealing tool-watch aesthetic, with the 43mm case size being the most significant consideration for potential buyers.

Seiko Prospex Sea 1968 Heritage Diver's GMT Watch

The Seiko Prospex Sea 1968 Heritage Diver's GMT Watch offers a 300-meter depth rating and a caller-style GMT complication powered by the Caliber 6R54 movement, which provides a 72-hour power reserve. Reviewers note its refined clasp with extensive micro-adjustment. However, the movement's accuracy, ranging from +25 to -15 seconds per day, is considered a drawback by some. Overall, reviewers highlight the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch as a good reminder of Seiko's value, despite the wide accuracy range of its movement.

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