Side by side

Second Hour Giant StridevsSeiko Prospex Sea

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.

Second Hour Giant Stride

The Silietta SW200 movement is a strength. The price point relative to other microbrand super compressor options is a weakness.

Seiko Prospex Sea

Owners and reviewers widely praise the Seiko Prospex Sea for its excellent value, robust build, and superior lume, with many noting its comfortable wearability and faithful design recreations. Some owners report the watch can feel big, thick, and heavy on smaller wrists, while others find the sizing perfect. The bezel action is frequently highlighted as smooth and precise, often exceeding that of less expensive models. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its impressive finishing and value proposition.

At a glance

12 of 29 specs differ
Diameter
Giant Stride42mm
Prospex Sea41.7mm
Power Reserve
Giant Stride
Prospex Sea41h
Water Resistance
Giant Stride200m
Prospex Sea200m
MSRP
Giant Stride$725
Prospex Sea$595

Full specifications

Case

5 specs
Category
Diver
Diameter
42mm
41.7mm
Thickness
0mm
12.3mm
Lug-to-Lug
0mm
49.5mm
Lug Width
0mm
20mm

Crystal & Dial

3 specs
Crystal
Hardlex
Dial Color
Silver
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Sellita SW200-1
Seiko 4R35
Power Reserve
41h
Jewels
0
23

Pricing

1 specs
MSRP
$725
$595
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