Side by side

Serket Watch Co Reef MarianavsSeiko Diamond Collection

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

Reef Mariana
Serket Watch CoReef Mariana
MSRP $449
Diamond Collection
SeikoDiamond Collection
MSRP $525
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 Diamond Collection

Owners widely praise the Seiko Diamond Collection for its stunning beauty, particularly highlighting the 14 diamonds and the captivating mother-of-pearl dial. Its 33.2mm case size, 100m water resistance, sapphire crystal, and lightweight build are appreciated features contributing to comfortable wear. Some owners find the dial detail is best appreciated in direct sunlight. The gold plating on some models may show fading from desk work over time. Overall, owners rate the Seiko Diamond Collection highly for its dazzling aesthetics and comfortable, well-finished design at its price point.

At a glance

11 of 29 specs differ
Diameter
Reef Mariana40mm
Diamond Collection32mm
Power Reserve
Reef Mariana
Diamond Collection40h
Water Resistance
Reef Mariana200m
Diamond Collection100m
MSRP
Reef Mariana$449
Diamond Collection$525

Full specifications

Case

6 specs
Category
Dress
Diameter
40mm
32mm
Thickness
13.2mm
8.2mm
Lug-to-Lug
47.5mm
39mm
Lug Width
20mm
15mm
Water Resistance
200m
100m

Crystal & Dial

2 specs
Dial Color
Orange
Black
Lume
BGW9
None

Movement

2 specs
Caliber
NH35
6N32
Power Reserve
40h

Pricing

1 specs
MSRP
$449
$525
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