Side by side

Borealis Watch Co. Porto CovovsIslander Islander Mitchel Black DLC Automatic Field Watch with Luminous Dial, AR Sapphire Crystal #ISL-83

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

Porto Covo
Borealis Watch Co.Porto Covo
MSRP $415
Islander Mitchel Black DLC Automatic Field Watch with Luminous Dial, AR Sapphire Crystal #ISL-83
IslanderIslander Mitchel Black DLC Automatic Field Watch with Luminous Dial, AR Sapphire Crystal #ISL-83
MSRP $299

At a glance

19 of 29 specs differ
Diameter
Porto Covo40mm
Islander Mitchel Black DLC Automatic Field Watch with Luminous Dial, AR Sapphire Crystal #ISL-8339mm
Power Reserve
Porto Covo40h
Islander Mitchel Black DLC Automatic Field Watch with Luminous Dial, AR Sapphire Crystal #ISL-83—
Water Resistance
Porto Covo300m
Islander Mitchel Black DLC Automatic Field Watch with Luminous Dial, AR Sapphire Crystal #ISL-83100m
MSRP
Porto Covo$415
Islander Mitchel Black DLC Automatic Field Watch with Luminous Dial, AR Sapphire Crystal #ISL-83$299

Full specifications

Case

9 specs
Category
Diver
Field
Diameter
40mm
39mm
Thickness
11.6mm
12mm
Lug-to-Lug
42.5mm
48.5mm
Lug Width
20mm
20mm
Material
Stainless Steel
DLC Stainless Steel
Finish
Brushed and polished
—
Water Resistance
300m
100m
Caseback
Solid
Exhibition

Crystal & Dial

5 specs
Crystal Shape
Flat
—
AR Coating
Inner
Yes
Dial Color
Black
—
Indices
Applied
—
Lume
BGW9
None

Movement

4 specs
Caliber
Miyota 9039
Seiko NH35
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
0h
Jewels
25
0

Pricing

1 specs
MSRP
$415
$299

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