Side by side

Citizen Promaster DivervsSeiko Prospex Sea

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

Promaster Diver
CitizenPromaster Diver
MSRP $338
Prospex Sea
SeikoProspex Sea
MSRP $795

At a glance

10 of 29 specs differ
Diameter
Promaster Diver41mm
Prospex Sea34mm
Power Reserve
Promaster Diver40h
Prospex Sea40h
Water Resistance
Promaster Diver200m
Prospex Sea200m
MSRP
Promaster Diver$338
Prospex Sea$795

Full specifications

Case

4 specs
Diameter
41mm
34mm
Thickness
12mm
8.7mm
Lug-to-Lug
46mm
40.8mm
Lug Width
20mm
16mm

Crystal & Dial

3 specs
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Blue
Black
Lume
None
LumiBrite on hands and index(es)

Movement

2 specs
Caliber
E168
6N01
Type
Solar
Quartz

Pricing

1 specs
MSRP
$338
$795

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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.

Citizen Promaster Diver

Owners widely praise the Citizen Promaster Diver for its lightweight titanium construction and comfortable wear, noting its handsome dial made from recycled materials and excellent specifications for the price. Some owners report a slightly misaligned bezel and chapter ring on their example, while others find the bezel action spongy and the bracelet subpar. The overall finish is described as unremarkable due to its brushed titanium. On balance, owners rate the Citizen Promaster Diver highly for its value and comfortable, lightweight titanium build.

Seiko Prospex Sea

Owners widely praise the Seiko Prospex Sea for its excellent value, robust build, and superb lume, with many appreciating its comfortable wearability due to its case shape and lug-to-lug distance. Reviewers consistently highlight its impressive finishing and classic dive watch design, often noting the bright LumiBrite lume. Some owners find the watch to be large, thick, and heavy, while others consider it the perfect size, indicating a split opinion on wearability for smaller wrists. The power reserve from some movements is noted as less than newer variants, and the clasp quality receives mixed feedback. Overall, owners and reviewers rate the Seiko Prospex Sea highly for its exceptional finishing and value proposition in the dive watch market.

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