Formex Reef GMTvsStella Watch Company ELLIS 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.

Reef GMT

ELLIS GMT
Diameter
42mm
41.5mm
Lug-to-Lug
47mm
lowest
49.5mm
Thickness
11.4mm
lowest
13.1mm
Water Resistance
300m
highest
100m
Power Reserve
56h
highest
42h
MSRP
$2,235
$1,400
lowest
Movement
Sellita SW330-2
Sellita SW330-2
Case
5 specsCrystal & Dial
2 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
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.
Owners praise the Stella Watch Company ELLIS GMT for its stunning dial with exceptional depth and vividness, and its well-balanced case finishing that blends glamour and rigor. One owner highlights the top-notch colors, textures, and finish of the ice blue variant. A potential drawback noted by a reviewer is the bracelet's lack of fitted end links. One owner reported a grinding sound when winding and the crown popping out, which accidentally changed the date or time. Overall, owners and reviewers rate the Stella Watch Company ELLIS GMT highly for its dial aesthetics and versatile case finishing.
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