Side by side

Hamilton Khaki Navy Scuba AutovsFormex Reef 42 mm

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
Reef 42 mm
FormexReef 42 mm
MSRP $2,414

At a glance

9 of 29 specs differ
Diameter
Khaki Navy Scuba Auto40mm
Reef 42 mm42mm
Power Reserve
Khaki Navy Scuba Auto80h
Reef 42 mm56h
Water Resistance
Khaki Navy Scuba Auto100m
Reef 42 mm300m
MSRP
Khaki Navy Scuba Auto$975
Reef 42 mm$2,414

Full specifications

Case

5 specs
Diameter
40mm
42mm
Thickness
12.95mm
11.4mm
Lug-to-Lug
46mm
47mm
Lug Width
20mm
22mm
Water Resistance
100m
300m

Crystal & Dial

1 specs
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
H-10
Sellita SW300-1
Power Reserve
80h
56h

Pricing

1 specs
MSRP
$975
$2,414

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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.

Formex Reef 42 mm

The Formex Reef 42 mm is widely praised for its comfortable bracelet featuring a micro-adjust clasp, COSC-certified Sellita movement, and excellent build quality. Owners appreciate the gradient dial's visual appeal and the overall wearability. Some owners note the seconds hand does not perfectly align with markers, and one owner found the lugs' taper hinders third-party strap fit. The bracelet's length and sporty design are noted as limiting versatility by some. On balance, owners and reviewers rate the Formex Reef 42 mm highly for its impressive wearability and value at the price point.

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