Side by side

Islander Islander Republic Traveler GMT Watch with Black Dial #ISL-276vsGrand Seiko SBGR321

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
SBGR321
Grand SeikoSBGR321
MSRP $5,200

At a glance

15 of 29 specs differ
Diameter
Islander Republic Traveler GMT Watch with Black Dial #ISL-27640mm
SBGR32140mm
Power Reserve
Islander Republic Traveler GMT Watch with Black Dial #ISL-276
SBGR32172h
Water Resistance
Islander Republic Traveler GMT Watch with Black Dial #ISL-276200m
SBGR321100m
MSRP
Islander Republic Traveler GMT Watch with Black Dial #ISL-276$695
SBGR321$5,200

Full specifications

Case

6 specs
Category
GMT
Dress
Thickness
13.1mm
13mm
Lug-to-Lug
46.5mm
46.6mm
Finish
Brushed and polished
Water Resistance
200m
100m
Caseback
Screw-down
Solid

Crystal & Dial

3 specs
AR Coating
Underside
Yes
Dial Color
Black
Indices
Applied

Movement

5 specs
Caliber
Miyota 9075
9S65
Type
Manual
Automatic
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
72h
Jewels
0
25

Pricing

1 specs
MSRP
$695
$5,200

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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.

Grand Seiko SBGR321

Grand Seiko SBGR321 owners and reviewers widely praise its attractive design, compelling dimensions, and robust movement. The watch features sharp case lines with contrasting brushing and polishing, a 40mm steel case that provides presence without bulk, and 100m water resistance. Its sunburst blue dial, inspired by the dawn sky over Mount Iwate, showcases Grand Seiko's signature finishing on applied markers and hands, with a red-tipped seconds hand. The 9S65 automatic movement is noted for its precision, running within specifications, with one source reporting a +5 to -3 seconds a day rate and a 3-day power reserve. A blue rotor with a crimson rim, also inspired by Mount Iwate, is visible through the display caseback. On balance, owners and reviewers rate the Grand Seiko SBGR321 highly for its exceptional finishing and compelling blue dial design at its price point.

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