Side by side
Ergon Watches MaelstromvsSeiko Prospex Sea Save the Ocean Special Edition
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
Maelstrom40mm
Prospex Sea Save the Ocean Special Edition45mm
Power Reserve
Maelstrom—
Prospex Sea Save the Ocean Special Edition41h
Water Resistance
Maelstrom300m
Prospex Sea Save the Ocean Special Edition200m
MSRP
Maelstrom—
Prospex Sea Save the Ocean Special Edition$625
Full specifications
Case
7 specsCategory
—
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 specsAR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Gradient Green
Black
Lume
None
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
Sellita SW-200
4R36
Power Reserve
—
41h
Jewels
25
24
Pricing
1 specsMSRP
—
$625
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