Side by side

Formex Essence ThirtyNinevsSugess Seestern S456 GMT

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

Essence ThirtyNine
FormexEssence ThirtyNine
MSRP $2,390
Seestern S456 GMT
SugessSeestern S456 GMT
MSRP $299

At a glance

11 of 29 specs differ
Diameter
Essence ThirtyNine39mm
Seestern S456 GMT40mm
Power Reserve
Essence ThirtyNine41h
Seestern S456 GMT40h
Water Resistance
Essence ThirtyNine100m
Seestern S456 GMT200m
MSRP
Essence ThirtyNine$2,390
Seestern S456 GMT$299

Full specifications

Case

5 specs
Category
Dress
GMT
Diameter
39mm
40mm
Thickness
10mm
13mm
Lug-to-Lug
45mm
48.8mm
Water Resistance
100m
200m

Crystal & Dial

2 specs
Dial Color
Space Ghost
Blue
Lume
Super-LumiNova
Tritium

Movement

3 specs
Caliber
Sellita SW200-1
NH34
Power Reserve
41h
40h
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$2,390
$299

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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.

Formex Essence ThirtyNine

The Formex Essence ThirtyNine is praised for its impressive build quality and value, featuring a patented case suspension system for comfort and protection. It houses a COSC-certified Sellita SW200-1 movement with a 38-hour power reserve and a tool-free strap quick-release system. A minor inconvenience noted is the specific closing order of the clasp. On balance, reviewers rate the Formex Essence ThirtyNine highly for its comfortable wearability and excellent value at its 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.

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