Side by side

Marathon Arctic OSAR 36mm AutomaticvsTornek-Rayville CISO M38 Field

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
CISO M38 Field
Tornek-RayvilleCISO M38 Field
MSRP $695

At a glance

13 of 29 specs differ
Diameter
Arctic OSAR 36mm Automatic36mm
CISO M38 Field38mm
Power Reserve
Arctic OSAR 36mm Automatic40h
CISO M38 Field42h
Water Resistance
Arctic OSAR 36mm Automatic300m
CISO M38 Field100m
MSRP
Arctic OSAR 36mm Automatic$1,200
CISO M38 Field$695

Full specifications

Case

7 specs
Category
Diver
Diameter
36mm
38mm
Thickness
13mm
12.45mm
Lug-to-Lug
43.5mm
43.6mm
Lug Width
18mm
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
White
Black
Lume
None
Superluminova

Movement

2 specs
Caliber
Sellita SW220-1
TMI NH36
Power Reserve
40h
42h

Pricing

1 specs
MSRP
$1,200
$695

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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.

Tornek-Rayville CISO M38 Field

Owners widely report the Tornek-Rayville CISO M38 Field offers high overall quality with a comfortable bracelet featuring single-sided screw links. The watch exhibits minimal wear, with only hairline scratches and a faint, difficult-to-photograph bezel mark. On balance, owners value the Tornek-Rayville CISO M38 Field for its robust build and comfortable wearability.

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