Sold out$42937mm

Islander
Northport ISL-291
This watch is available for purchase directly from the brand's website.
A Dive watch, in a round stainless steel case, 36mm, with a purple wavy guilloché (wave texture) dial, sword hands and applied metal indices, powered by the Miyota 90S5.
This reference is currently in stock and available for direct purchase from the brand. Its price sits close to the median for comparable watches in its segment, neither a premium nor a bargain within that group. The 30 comparable dive watches tracked in this size and price class range from USD 500 to USD 710.
Diameter
36mm
Lug to lug
44mm
Between lugs
20mm
Thickness
10.7mm
Movement Type
automatic
Movement Name
Miyota 90S5
Power reserve
42 hours
Water resistance
20 bar
Crystal Type
sapphire
Crystal Description
Flat sapphire crystal with 5 layers of inner anti-reflective coating
Its scarcity score of 0/100 puts it in roughly the bottom 10% of tracked dive watches in this class. The scarcity score here has moved down around 15 points across the past 176 days. It peaked near a score of 15 in March 2026. That tracks closely with what's typical for Golby's catalog.
Across Golby's tracked catalog, about 45% of models are in stock at any given time.
Worth tracking
Limited data
Currently available with no strong urgency signal either way.
Last confirmed:
Tracked since 7/9/25 (436 days).
Available9/4/25
12 months straight
March 2026
Today
The manufacturer's £369.00 price has not changed during the tracked period.
$499.69 USD5/8/26
Unchanged · 10 months
May 2026
Today
1 older price change back to 11/13/25 is available with Collector. Unlock full history
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