Islander Calabro GMT World Time Automatic with Anthracite DialvsGruppo Gamma Field III GMT Date

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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

Gruppo Gamma Field III GMT Date at true scale

Field III GMT Date

Diameter

40mm

40mm

Lug-to-Lug

48mm

lowest

48.5mm

Thickness

14mm

14mm

Water Resistance

200m

200m

Power Reserve

n/a

41h

MSRP

$379

lowest

$459

Movement

Seiko NH34

Seiko NH34

Case

3 specs
Lug-to-Lug
48mm
48.5mm
Lug Width
20mm
22mm
Caseback
Screw-down
n/a

Crystal & Dial

4 specs
Crystal Shape
Flat
n/a
AR Coating
Underside
Yes
Dial Color
n/a
Black
Lume
None
Super-LumiNova

Movement

2 specs
Power Reserve
0h
41h
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$379
$459
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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.

Gruppo Gamma Field III GMT Date

Owners widely praise the Gruppo Gamma Field III GMT Date for its incredible quality, awesome looks, and good value for the price. The watch features a 40mm brushed 316L stainless steel case, a box sapphire crystal, and a Seiko NH34 automatic movement. Some owners note accuracy figures ranging from -20 to +40 seconds per day, while others report +5 seconds per day. One user found the 40mm size unsuitable for small wrists. Overall, owners rate the Gruppo Gamma Field III GMT Date highly for its build quality and aesthetic appeal at its price point.

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