Which is cheaper, the Hamilton Jazzmaster Viewmatic Auto or the Formex Reef 42 mm?

At MSRP the Hamilton Jazzmaster Viewmatic Auto is the cheaper of the two at $995, against $2,414 for the Formex Reef 42 mm — a $1,419 gap before any retailer discounting.

Which is bigger, the Hamilton Jazzmaster Viewmatic Auto or the Formex Reef 42 mm?

The Formex Reef 42 mm wears larger at 42mm versus 40mm for the Hamilton Jazzmaster Viewmatic Auto — a 2mm difference across the dial.

Which has better water resistance, the Hamilton Jazzmaster Viewmatic Auto or the Formex Reef 42 mm?

The Formex Reef 42 mm is rated to 300m versus 50m for the Hamilton Jazzmaster Viewmatic Auto.

Which has a longer power reserve, the Hamilton Jazzmaster Viewmatic Auto or the Formex Reef 42 mm?

The Hamilton Jazzmaster Viewmatic Auto carries a 80-hour power reserve against 56 hours on the Formex Reef 42 mm.

What movement does the Hamilton Jazzmaster Viewmatic Auto run compared to the Formex Reef 42 mm?

Both watches run automatic movements — the Hamilton Jazzmaster Viewmatic Auto uses the H-10 and the Formex Reef 42 mm uses the Sellita SW300-1.

Side by side

Hamilton Jazzmaster Viewmatic AutovsFormex Reef 42 mm

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

Hamilton Jazzmaster Viewmatic Auto

h32515135

MSRP $995

Formex Reef 42 mm

reef-42mm-automatic-cosc-300m-black

MSRP $2,414

At a glance

10 of 29 specs differ

Diameter

Jazzmaster Viewmatic Auto40mm

Reef 42 mm42mm

Power Reserve

Jazzmaster Viewmatic Auto80h

Reef 42 mm56h

Water Resistance

Jazzmaster Viewmatic Auto50m

Reef 42 mm300m

MSRP

Jazzmaster Viewmatic Auto$995

Reef 42 mm$2,414

Full specifications

Case

6 specs

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

$995

$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 Jazzmaster Viewmatic Auto

Owners widely praise the Hamilton Jazzmaster Viewmatic Auto for its classic yet modern aesthetic, comfortable 37mm size suitable for smaller wrists, and superb case finishing for the price. The textured silver dial and subtle blue hands are noted as appealing details, and the watch is seen as versatile for both casual and formal wear. Accuracy is reported as impressive, with some owners observing deviations of only 1-2 seconds per day. One owner noted a discrepancy in the stated case thickness, with Hamilton listing 10.10mm. On balance, owners rate the Hamilton Jazzmaster Viewmatic Auto highly for its excellent value and versatile, classic design.

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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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