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Ergon Watches MaelstromvsSeiko Prospex Sea The Black Series

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 The Black Series
SeikoProspex Sea The Black Series
MSRP $765
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At a glance

14 of 29 specs differ
Diameter
Maelstrom40mm
Prospex Sea The Black Series45mm
Power Reserve
Maelstrom—
Prospex Sea The Black Series41h
Water Resistance
Maelstrom300m
Prospex Sea The Black Series200m
MSRP
Maelstrom—
Prospex Sea The Black Series$765

Full specifications

Case

7 specs
Category
—
Diver
Diameter
40mm
45mm
Thickness
13mm
13.2mm
Lug-to-Lug
—
47.7mm
Lug Width
20mm
22mm
Material
Bronze
Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

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

Movement

3 specs
Caliber
Sellita SW-200
4R36
Power Reserve
—
41h
Jewels
25
24

Pricing

1 specs
MSRP
—
$765
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