Islander Calabro GMT World Time Automatic with Anthracite DialvsGrand Seiko SBGJ249

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Islander Calabro GMT World Time Automatic with Anthracite Dial at true scale

Calabro GMT World Time Automatic with Anthracite Dial

Grand Seiko SBGJ249 at true scale

SBGJ249

Diameter

40mm

39.5mm

Lug-to-Lug

48mm

46.9mm

lowest

Thickness

14mm

lowest

14.1mm

Water Resistance

200m

highest

30m

Power Reserve

n/a

55h

MSRP

$379

lowest

$7,700

Movement

Seiko NH34

Grand Seiko 9S86

Case

6 specs
Diameter
40mm
39.5mm
Thickness
14mm
14.1mm
Lug-to-Lug
48mm
46.9mm
Lug Width
20mm
19mm
Water Resistance
200m
30m
Caseback
Screw-down
n/a

Crystal & Dial

2 specs
Crystal Shape
Flat
n/a
AR Coating
Underside
Yes

Movement

2 specs
Caliber
Seiko NH34
Grand Seiko 9S86
Power Reserve
0h
55h

Pricing

1 specs
MSRP
$379
$7,700
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Reviews

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

Islander Calabro GMT World Time Automatic with Anthracite Dial

Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316 owners widely report excellent value at its $329 MSRP, citing the Seiko NH34 automatic movement, sapphire crystal, and well-proportioned 40mm case. The watch features a handsome anthracite dial with applied indices and a quality 120-click unidirectional bezel. On balance, owners rate the Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316 highly for its value and robust feature set at the price point.

Grand Seiko SBGJ249

Grand Seiko SBGJ249 owners and reviewers widely praise its "out of this world" finishing on the dial, case, hands, and indices, with particular admiration for the vibrant, horizontally patterned light blue wave dial that evokes summer ripples. The watch is considered a "no-brainer" for Grand Seiko fans seeking a GMT with a special twist, offering outstanding value at $6,800 due to its proportions and visually interesting dial. Accuracy figures range from +3 seconds per day to -3 to +5 seconds per day. One drawback noted by reviewers is the 30-meter water resistance, considered low for a summer-themed watch. Overall, owners and reviewers rate the Grand Seiko SBGJ249 highly for its spectacular beauty and finishing at the price point.

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