Side by side
Ergon Watches MaelstromvsSeiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
Maelstrom40mm
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition44mm
Power Reserve
Maelstrom—
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition50h
Water Resistance
Maelstrom300m
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition200m
MSRP
Maelstrom—
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition$3,300
Full specifications
Case
5 specsCategory
—
Diver
Diameter
40mm
44mm
Lug-to-Lug
—
49.3mm
Material
Bronze
Stainless Steel
Water Resistance
300m
200m
Crystal & Dial
4 specsCrystal Shape
Flat
Curved
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 specsCaliber
Sellita SW-200
8L35
Power Reserve
—
50h
Jewels
25
26
Pricing
1 specsMSRP
—
$3,300
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