Side by side

Hamilton American Classic Valiant AutovsFormex Reef 42 mm

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

American Classic Valiant Auto
HamiltonAmerican Classic Valiant Auto
MSRP $645
Reef 42 mm
FormexReef 42 mm
MSRP $2,414

At a glance

11 of 29 specs differ
Diameter
American Classic Valiant Auto34mm
Reef 42 mm42mm
Power Reserve
American Classic Valiant Auto80h
Reef 42 mm56h
Water Resistance
American Classic Valiant Auto50m
Reef 42 mm300m
MSRP
American Classic Valiant Auto$645
Reef 42 mm$2,414

Full specifications

Case

6 specs
Category
Dress
Diver
Diameter
34mm
42mm
Thickness
10.58mm
11.4mm
Lug-to-Lug
46mm
47mm
Lug Width
16mm
22mm
Water Resistance
50m
300m

Crystal & Dial

2 specs
Dial Color
Silver
Black
Lume
None
Super-LumiNova

Movement

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

Pricing

1 specs
MSRP
$645
$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 American Classic Valiant Auto

Owners widely praise the Hamilton American Classic Valiant Auto for its classic design elements, such as the sunburst dial and Roman numerals, noting its suitability for everyday elegance and wearability under a cuff. One owner highlights the 39.5mm size and applied indices as a "hidden gem," while another appreciates the clean, simple design with thin Roman numerals. The watch is also commended for its comfortable bracelet and attractive lance hands, with confirmation that the bracelet is indeed changeable. Some owners note the date window's placement at three o'clock is a point of contention, and one owner reports the watch runs at approximately +6 seconds per day after ten years of intermittent use. On balance, owners rate the Hamilton American Classic Valiant Auto highly for its elegant, classic design and comfortable wearability at its price point.

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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