Side by side

Serket Watch Co Reef MarianavsTornek-Rayville CISO M38 Field

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

Reef Mariana
Serket Watch CoReef Mariana
MSRP $449
What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Serket Watch Co Reef Mariana

Owners widely praise the Serket Watch Co Reef Mariana for its significant value, citing the sapphire crystal, ceramic bezel, and NH35 automatic movement at its price point. Some owners note the bezel turns too easily and suggest the lume could be improved. On balance, owners rate the Serket Watch Co Reef Mariana highly for its bold aesthetic and strong feature set at the price.

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.

At a glance

11 of 29 specs differ
Diameter
Reef Mariana40mm
CISO M38 Field38mm
Power Reserve
Reef Mariana
CISO M38 Field42h
Water Resistance
Reef Mariana200m
CISO M38 Field100m
MSRP
Reef Mariana$449
CISO M38 Field$695

Full specifications

Case

5 specs
Category
Diameter
40mm
38mm
Thickness
13.2mm
12.45mm
Lug-to-Lug
47.5mm
43.6mm
Water Resistance
200m
100m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Orange
Black
Lume
BGW9
Superluminova

Movement

2 specs
Caliber
Seiko NH35
TMI NH36
Power Reserve
42h

Pricing

1 specs
MSRP
$449
$695
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