Side by side

Ferro Time Master 70vsIslander Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316

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

Time Master 70
FerroTime Master 70
MSRP $685
Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316
IslanderIslander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316
MSRP $379

At a glance

16 of 29 specs differ
Diameter
Time Master 7047mm
Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-31640mm
Power Reserve
Time Master 7040h
Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316
Water Resistance
Time Master 7050m
Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316200m
MSRP
Time Master 70$685
Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316$379

Full specifications

Case

8 specs
Category
Chronograph
GMT
Diameter
47mm
40mm
Thickness
13mm
14mm
Lug-to-Lug
47mm
48mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Water Resistance
50m
200m
Caseback
Solid
Screw-down

Crystal & Dial

3 specs
AR Coating
Inner
Underside
Dial Color
Gold
Indices
Applied

Movement

4 specs
Caliber
Miyota 9039
Seiko NH34
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
0h
Jewels
25
0

Pricing

1 specs
MSRP
$685
$379

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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.

Ferro Time Master 70

The Ferro Time Master 70 is praised for its distinctive 1970s-inspired polygon case and visually striking silver dial with orange accents and unique lume colors. Owners appreciate the retro design with unique touches, clean dial, and lumed markers, along with the smooth winding of the Miyota 9039 movement. Its 39mm diameter, 10.4mm thickness, and 47mm lug-to-lug dimensions contribute to comfortable wearability, further enhanced by a well-executed faux-single link bracelet featuring a practical on-the-fly micro-adjustment clasp. On balance, owners and reviewers rate the Ferro Time Master 70 highly for its retro design and comfortable wearability.

Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316

Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316 offers excellent value at $329 MSRP, featuring a handsome anthracite dial with applied indices, a sapphire crystal, and a quality 120-click unidirectional bezel. Owners highlight the NH34 movement and well-proportioned 40x48x20mm case. Overall, owners rate the Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316 highly for its value and feature set at the price point.

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