Side by side

Phoibos Reef MastervsSugess Seestern S456 GMT

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

Reef Master
PhoibosReef Master
MSRP $335
Seestern S456 GMT
SugessSeestern S456 GMT
MSRP $299

At a glance

10 of 29 specs differ
Diameter
Reef Master42mm
Seestern S456 GMT40mm
Power Reserve
Reef Master40h
Seestern S456 GMT40h
Water Resistance
Reef Master200m
Seestern S456 GMT200m
MSRP
Reef Master$335
Seestern S456 GMT$299

Full specifications

Case

4 specs
Category
Diver
GMT
Diameter
42mm
40mm
Lug-to-Lug
48mm
48.8mm
Lug Width
22mm
20mm

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Green
Blue
Lume
Super-LumiNova
Tritium

Movement

2 specs
Caliber
SII NH38
NH34
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$335
$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.

Phoibos Reef Master

Owners widely praise the Phoibos Reef Master for its exceptional value, highlighting its sapphire crystal, DLC coating, and extensive BGW9 lume. The watch is noted for its cool lume, with one owner finding it not bulky despite its robust build. The Shamrock Green dial and texture are highly praised, as is the comfortable bracelet with solid end links. However, the bezel action is described as rough, and the basic folding clasp is a disappointment. Accuracy is reported as excellent, with one owner seeing +-2 sec/day. Some find the 42mm size almost too big for their wrists, and the date window is considered too small. Overall, owners rate the Phoibos Reef Master highly for its impressive feature set and 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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