Side by side

Serket Watch Co Reef MarianavsSeiko Essentials Quartz

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

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.

Seiko Essentials Quartz

Seiko Essentials Quartz owners praise its high quality and value, highlighting its thin 8.4mm case, sapphire crystal, 100m water resistance, and quartz convenience, with the titanium variant weighing just 50g for exceptional comfort. The polished surfaces can develop fine swirls from daily wear, and the gold plating may wear off edges over time, requiring maintenance. The titanium bracelet's smaller center link creates wider gaps than the steel version, and some owners prefer to remove the 50m-rated watch for showering, especially if it lacks a screw-down crown. On balance, owners rate the Seiko Essentials Quartz highly for its comfortable, lightweight titanium build and convenient quartz accuracy at the price.

At a glance

12 of 29 specs differ
Diameter
Reef Mariana40mm
Essentials Quartz40.2mm
Power Reserve
Reef Mariana
Essentials Quartz
Water Resistance
Reef Mariana200m
Essentials Quartz100m
MSRP
Reef Mariana$449
Essentials Quartz$265

Full specifications

Case

6 specs
Category
Dress
Diameter
40mm
40.2mm
Thickness
13.2mm
8.3mm
Lug-to-Lug
47.5mm
47mm
Material
Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

2 specs
Dial Color
Orange
Lume
BGW9
LumiBrite on Hands

Movement

3 specs
Caliber
NH35
6N52
Type
Automatic
Quartz
Power Reserve
0h

Pricing

1 specs
MSRP
$449
$265
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