Side by side

Citizen CorsovsSeiko Prospex Sea Save the Ocean Special Edition

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

Corso
CitizenCorso
MSRP $296

At a glance

13 of 29 specs differ
Diameter
Corso44mm
Prospex Sea Save the Ocean Special Edition45mm
Power Reserve
Corso40h
Prospex Sea Save the Ocean Special Edition41h
Water Resistance
Corso100m
Prospex Sea Save the Ocean Special Edition200m
MSRP
Corso$296
Prospex Sea Save the Ocean Special Edition$625

Full specifications

Case

6 specs
Category
Dress
Diver
Diameter
44mm
45mm
Thickness
12mm
13.2mm
Lug-to-Lug
46mm
47.7mm
Lug Width
23mm
22mm
Water Resistance
100m
200m

Crystal & Dial

3 specs
Crystal
Mineral
Sapphire
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
8729
4R36
Power Reserve
40h
41h
Jewels
25
24

Pricing

1 specs
MSRP
$296
$625

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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 Corso

Citizen Corso owners widely praise its value, with many noting its accurate Eco-Drive movement keeping time within a few seconds per month. The sunburst silver dial and elegant blue dial options are frequently highlighted for their attractive, light-catching qualities suitable for various occasions. The stainless steel case is considered durable, and the metal bracelet's links are described as substantial. Some models feature day and date complications. However, reviewers note the polished steel case can be overly shiny and a fingerprint magnet, and the original leather bands have an unpleasant lining. One owner questions the 40mm dial size for smaller wrists, and the bracelet has a stamped clasp without micro-adjustments, though it includes two half links. Overall, owners rate the Citizen Corso highly for its impressive value and classic dial aesthetics at its price point.

From video reviewers

The Citizen Corso features a convenient Eco-Drive movement that eliminates battery changes by utilizing light for power. A weakness of the Citizen Corso is its mineral crystal, which is less scratch-resistant than sapphire.

Seiko Prospex Sea Save the Ocean Special Edition

The Seiko Prospex Sea Save the Ocean Special Edition is widely praised for its attractive, unique, and textured dials, often described as having a "Grand Seiko feel" at a more accessible price point, with specific mentions of wave patterns, lagoon hues, and manta ray motifs. Owners appreciate the smooth bezel operation and satisfactory lume. Accuracy figures vary, with one owner reporting +5 seconds per day, while another notes a range from +1/+2 to about -6 seconds per day. The 6R35 movement offers a 70-hour power reserve, and some models feature sapphire crystals. Criticisms include a desire for exhibition casebacks and concerns about the quality and security of the stamped metal clasps and bracelets, which are frequently described as rattly or underwhelming, though this is noted as a common Seiko trait. Some owners are split on the number of Save the Ocean variations and dislike the cyclops magnifier.

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