Side by side

Islander Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63vsMarathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic

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

Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63
IslanderIslander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63
MSRP $429
JDD (Jumbo Day/Date) Anthracite Diver's Automatic
MarathonJDD (Jumbo Day/Date) Anthracite Diver's Automatic
MSRP $3,250

At a glance

17 of 29 specs differ
Diameter
Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-6338mm
JDD (Jumbo Day/Date) Anthracite Diver's Automatic46mm
Power Reserve
Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63
JDD (Jumbo Day/Date) Anthracite Diver's Automatic40h
Water Resistance
Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63200m
JDD (Jumbo Day/Date) Anthracite Diver's Automatic300m
MSRP
Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63$429
JDD (Jumbo Day/Date) Anthracite Diver's Automatic$3,250

Full specifications

Case

8 specs
Diameter
38mm
46mm
Thickness
13mm
18mm
Lug-to-Lug
44.5mm
55mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel (Anthracite IP)
Finish
Brushed and polished
Water Resistance
200m
300m
Caseback
Engraved screw-in back
Solid

Crystal & Dial

4 specs
Crystal Shape
Double Domed
Flat
AR Coating
Yes
Inner
Dial Color
Anthracite
Indices
Applied

Movement

4 specs
Caliber
Seiko NH36
Sellita SW220-1
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
40h
Jewels
0
25

Pricing

1 specs
MSRP
$429
$3,250

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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.

Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63

The Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63 is praised for its screw pins, milled scissor clasp, and embossed ceramic bezel, offering excellent specifications for its price. Owners note its better alignment compared to some alternatives and appreciate its design inspiration. Overall, owners rate the Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63 highly for its build features and value.

Marathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic

Owners widely praise the Marathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic as a tough, underrated tool watch with lifestyle appeal, highlighting its robust build and tritium lume for excellent legibility. However, its 46mm size is a common criticism, with some finding it heavy and top-heavy, and the OEM rubber strap stiff. One owner noted the watch runs about 10 seconds fast after three days, and the ETA 2836-2 movement offers approximately two days of power reserve. On balance, owners and reviewers rate the Marathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic highly for its robust tool-watch build and legibility, despite its substantial size.

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