Side by side

Marathon Arctic OSAR 36mm AutomaticvsIslander Islander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-322

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

Arctic OSAR 36mm Automatic
MarathonArctic OSAR 36mm Automatic
MSRP $1,200
Islander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-322
IslanderIslander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-322
MSRP $429

At a glance

17 of 29 specs differ
Diameter
Arctic OSAR 36mm Automatic36mm
Islander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-32240mm
Power Reserve
Arctic OSAR 36mm Automatic40h
Islander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-322
Water Resistance
Arctic OSAR 36mm Automatic300m
Islander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-322100m
MSRP
Arctic OSAR 36mm Automatic$1,200
Islander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-322$429

Full specifications

Case

9 specs
Category
Diver
Pilot
Diameter
36mm
40mm
Thickness
13mm
12.5mm
Lug-to-Lug
43.5mm
0mm
Lug Width
18mm
20mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Water Resistance
300m
100m
Caseback
Solid
Screw-down

Crystal & Dial

3 specs
AR Coating
Inner
Underside
Dial Color
White
Indices
Applied

Movement

4 specs
Caliber
Sellita SW220-1
Seiko NH38
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
0h
Jewels
25
0

Pricing

1 specs
MSRP
$1,200
$429

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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.

Marathon Arctic OSAR 36mm Automatic

The Marathon Arctic OSAR 36mm Automatic is noted for its non-tritium dial option, though some owners prefer the 1-12 numeral layout found on other models. One owner found the 36mm size too small for their wrist. Overall, owners appreciate the Marathon Arctic OSAR 36mm Automatic for its non-tritium dial option.

Islander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-322

Owners widely praise the Islander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-322 for its gorgeous, color-popping black mother-of-pearl dial and good case finishing, with some appreciating its distinct bead-blasted case and H-link bracelet. The $375 price is noted as a strong value for a true mother-of-pearl watch. However, opinions are divided on the dial text font and the Islander logo, with some finding them unattractive and others seeing them as minor issues on an otherwise appealing tool watch. On balance, owners rate the Islander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-322 highly for its striking mother-of-pearl dial and value proposition.

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