Elliot Brown Beachmaster Automatic: Test slicevsFormex Reef GMT
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Beachmaster Automatic: Test slice

Reef GMT
Diameter
40mm
42mm
Lug-to-Lug
n/a
47mm
Thickness
14mm
11.4mm
lowest
Water Resistance
300m
300m
Power Reserve
56h
56h
MSRP
$2,922
$2,235
lowest
Movement
Sellita SW330-2
Sellita SW330-2
Case
4 specsCrystal & Dial
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Elliot Brown BEACHMASTER AUTOMATIC: Test slice is widely praised for its rugged, no-nonsense tool watch design and robust build. Owners highlight its unique, patented ceramic bezel with count-up and count-down functions, and a secure strap system. One owner notes the watch features a unique mission timer complication. However, some find the crowns slightly undersized for easy adjustment, and the dial lume is considered lackluster by one owner, possibly due to the vintage aesthetic. Overall, owners and reviewers rate the Elliot Brown BEACHMASTER AUTOMATIC: Test slice highly for its robust build and unique bezel functionality at its price point.
Owners and reviewers widely praise the Formex Reef GMT for its impressive specifications and value, highlighting its unique porthole case shape and comfortable quick-release bracelet with on-the-fly micro-adjustment. The COSC-certified Sellita SW330-2 movement is noted for good finishing and reliable timekeeping, with a 56-hour power reserve. However, the watch's overall width and lug-to-lug span, particularly with male endlinks, are frequently cited as being too large for smaller wrists. Some reviewers also find the bezel action stiff and slippery, and the GMT model lacks a timing bezel option with lume. Overall, owners and reviewers rate the Formex Reef GMT highly for its robust construction and excellent specs at its price point.
The watch features a COSC-certified SW330-2 GMT movement, which is visible through a sapphire crystal display case back and beautifully decorated. The watch's water-resistance of up to 300m/1000ft is a notable feature. The 42mm diameter may be too large for smaller wrists.
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