Side by side

Bremont Supermarine 300MvsFormex Reef 42 mm

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

Supermarine 300M
BremontSupermarine 300M
MSRP $3,550
Reef 42 mm
FormexReef 42 mm
MSRP $2,414

At a glance

10 of 29 specs differ
Diameter
Supermarine 300M40mm
Reef 42 mm42mm
Power Reserve
Supermarine 300M40h
Reef 42 mm56h
Water Resistance
Supermarine 300M300m
Reef 42 mm300m
MSRP
Supermarine 300M$3,550
Reef 42 mm$2,414

Full specifications

Case

5 specs
Diameter
40mm
42mm
Thickness
12mm
11.4mm
Lug-to-Lug
47mm
Lug Width
20mm
22mm
Material
904L Stainless Steel
Stainless Steel

Crystal & Dial

2 specs
Dial Color
Green
Black
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
BE-92AE
Sellita SW300-1
Power Reserve
40h
56h

Pricing

1 specs
MSRP
$3,550
$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.

Bremont Supermarine 300M

The Bremont Supermarine 300M is praised for its comfortable 40mm and 42mm case sizes, with owners noting the 42mm wears well on smaller wrists due to its lug design. One owner highlights the 13mm thinness of the 40mm case, considered compact for a 300m diver. The watch is priced at $1375. On balance, owners and reviewers appreciate the Bremont Supermarine 300M for its wearability and compact dimensions, especially for a dive watch.

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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