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Ergon Watches MaelstromvsSeiko Prospex Sea

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

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Maelstrom
Ergon WatchesMaelstrom
Prospex Sea
SeikoProspex Sea
MSRP $595
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Buy from Seiko ↗
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At a glance

13 of 29 specs differ
Diameter
Maelstrom40mm
Prospex Sea41.7mm
Power Reserve
Maelstrom—
Prospex Sea41h
Water Resistance
Maelstrom300m
Prospex Sea200m
MSRP
Maelstrom—
Prospex Sea$595

Full specifications

Case

6 specs
Category
—
Diver
Diameter
40mm
41.7mm
Thickness
13mm
12.3mm
Lug-to-Lug
—
49.5mm
Material
Bronze
Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
Dial Color
Gradient Green
Black
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Sellita SW-200
4R35
Power Reserve
—
41h
Jewels
25
23

Pricing

1 specs
MSRP
—
$595
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