Side by side

Formex Reef 42 mmvsSugess Seestern S456 GMT

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

Reef 42 mm
FormexReef 42 mm
MSRP $2,414
Seestern S456 GMT
SugessSeestern S456 GMT
MSRP $299

At a glance

12 of 29 specs differ
Diameter
Reef 42 mm42mm
Seestern S456 GMT40mm
Power Reserve
Reef 42 mm56h
Seestern S456 GMT40h
Water Resistance
Reef 42 mm300m
Seestern S456 GMT200m
MSRP
Reef 42 mm$2,414
Seestern S456 GMT$299

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
42mm
40mm
Thickness
11.4mm
13mm
Lug-to-Lug
47mm
48.8mm
Lug Width
22mm
20mm
Water Resistance
300m
200m

Crystal & Dial

2 specs
Dial Color
Black
Blue
Lume
Super-LumiNova
Tritium

Movement

3 specs
Caliber
Sellita SW300-1
NH34
Power Reserve
56h
40h
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$2,414
$299

Follow this matchup

Get a note when Formex Reef 42 mm vs Sugess Seestern S456 GMT gets more votes, a community discussion, or a price drop. No account needed.

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

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.

Sugess Seestern S456 GMT

Owners widely praise the Sugess Seestern S456 GMT for its excellent case finishing, deep blue sunburst dial, and crisp indices, with one owner rating the overall fit and finish 9.5 out of 10. The watch is noted for its legibility, strong lume that lasts about 4 hours, and accurate timekeeping around -4 seconds per day, with easy GMT hand adjustment. Some owners report issues with a loose or friction-based unidirectional bezel, while others find theirs tight and prefer a bidirectional GMT bezel. The sapphire crystal is described as clear and flat by some, but others find it very reflective with AR coating that could be improved. Sizing is generally considered good at 39mm with a 46mm lug-to-lug and 12mm thickness, though one owner expresses concern about its 49mm lug-to-lug and 41mm bezel diameter. Overall, owners rate the Sugess Seestern S456 GMT highly for its impressive finishing and dial at its price point.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.