Side by side

Islander Islander Republic Traveler GMT Watch with Black Dial #ISL-276vsSugess Seestern S456 GMT

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

Islander Republic Traveler GMT Watch with Black Dial #ISL-276
IslanderIslander Republic Traveler GMT Watch with Black Dial #ISL-276
MSRP $695
Seestern S456 GMT
SugessSeestern S456 GMT
MSRP $299

At a glance

15 of 29 specs differ
Diameter
Islander Republic Traveler GMT Watch with Black Dial #ISL-27640mm
Seestern S456 GMT40mm
Power Reserve
Islander Republic Traveler GMT Watch with Black Dial #ISL-276
Seestern S456 GMT40h
Water Resistance
Islander Republic Traveler GMT Watch with Black Dial #ISL-276200m
Seestern S456 GMT200m
MSRP
Islander Republic Traveler GMT Watch with Black Dial #ISL-276$695
Seestern S456 GMT$299

Full specifications

Case

4 specs
Thickness
13.1mm
13mm
Lug-to-Lug
46.5mm
48.8mm
Finish
Brushed and polished
Caseback
Screw-down
Solid

Crystal & Dial

4 specs
AR Coating
Underside
Inner
Dial Color
Blue
Indices
Applied
Lume
None
Tritium

Movement

6 specs
Caliber
Miyota 9075
NH34
Type
Manual
Automatic
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
40h
Jewels
0
25
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$695
$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.

Islander Republic Traveler GMT Watch with Black Dial #ISL-276

Owners widely praise the Islander Republic Traveler GMT Watch with Black Dial #ISL-276 for its excellent case finishing and build quality, featuring applied indices and a matching date wheel. The watch is noted for wearing well on the wrist with ample micro-adjustment options for a comfortable fit, and it is running at +2 seconds per day out of the box, powered by an SW330-2 movement. Overall, owners rate the Islander Republic Traveler GMT Watch with Black Dial #ISL-276 highly for its finishing and wearability 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.

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