Side by side

Sheffield SUPERPRODUCTIONvsSeiko Prospex Sea

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

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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.

Sheffield SUPERPRODUCTION

Owners praise the Sheffield SUPERPRODUCTION's dial and bezel action, and one appreciates its specifications and rubber strap comfort over leather; another highlights strong value for the money. The crown presents a trade-off — tight and finicky for winding and setting time — and the 40mm case reads smaller than some prefer. Timekeeping runs accurate at +3 seconds over 24 hours. On balance, the Sheffield SUPERPRODUCTION attracts owners for its dial quality and bezel feel at its price point, though the crown requires patience and case sizing deserves consideration for smaller wrists.

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

10 of 29 specs differ
Diameter
SUPERPRODUCTION40mm
Prospex Sea41.7mm
Power Reserve
SUPERPRODUCTION38h
Prospex Sea41h
Water Resistance
SUPERPRODUCTION200m
Prospex Sea200m
MSRP
SUPERPRODUCTION
Prospex Sea$595

Full specifications

Case

3 specs
Diameter
40mm
41.7mm
Thickness
12.55mm
12.3mm
Lug-to-Lug
48mm
49.5mm

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
Dial Color
Blue Graphite
Lume
Swiss Lume
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Sellita SW200-1
Seiko 4R35
Power Reserve
38h
41h
Jewels
0
23

Pricing

1 specs
MSRP
$595
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