Side by side
Borealis Watch Co. NeptunovsIslander Islander 43mm Automatic Dual-Time Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Sapphire Bezel Insert #ISL-50
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
17 of 29 specs differDiameter
Neptuno40.00mm
Islander 43mm Automatic Dual-Time Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Sapphire Bezel Insert #ISL-5043mm
Power Reserve
Neptuno40h
Islander 43mm Automatic Dual-Time Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Sapphire Bezel Insert #ISL-50—
Water Resistance
Neptuno300m
Islander 43mm Automatic Dual-Time Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Sapphire Bezel Insert #ISL-50200m
MSRP
Neptuno$390
Islander 43mm Automatic Dual-Time Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Sapphire Bezel Insert #ISL-50$399
Full specifications
Case
8 specsCategory
Diver
GMT
Diameter
40.00mm
43mm
Thickness
14.10mm
14mm
Lug-to-Lug
47.20mm
46mm
Lug Width
20mm
22mm
Finish
Brushed and polished
—
Water Resistance
300m
200m
Caseback
Solid
Engraved screw-in back
Crystal & Dial
4 specsAR Coating
Inner
Yes
Dial Color
Black
—
Indices
Applied
—
Lume
BGW9
None
Movement
4 specsCaliber
NH38
Seiko NH36
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
0h
Jewels
25
0
Pricing
1 specsMSRP
$390
$399
Follow this matchup
Get a note when Borealis Watch Co. Neptuno vs Islander 43mm Automatic Dual-Time Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Sapphire Bezel Insert #ISL-50 gets more votes, a community discussion, or a price drop. No account needed.
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.
Christopher Ward C60 LympstonevsIslander 43mm Automatic Dual-Time Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Sapphire Bezel Insert #ISL-50Borealis Watch Co. Sea Storm MK2vsIslander 43mm Automatic Dual-Time Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Sapphire Bezel Insert #ISL-50Islander 43mm Automatic Dual-Time Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Sapphire Bezel Insert #ISL-50vsBoldr MarineBoldr CharizardvsIslander 43mm Automatic Dual-Time Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Sapphire Bezel Insert #ISL-50Borealis Watch Co. NeptunovsIslander Black Dial Automatic Dive Watch with DLC Case and Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-34Borealis Watch Co. NeptunovsIslander Ice Blue Waffle Dial Automatic Dive Watch with AR DD Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-67










