Side by side
Ergon Watches MaelstromvsSeiko Prospex SPEEDTIMER Seiko 145th Anniversary Limited 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 SPEEDTIMER Seiko 145th Anniversary Limited Edition42mm
Power Reserve
Maelstrom—
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition45h
Water Resistance
Maelstrom300m
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition100m
MSRP
Maelstrom—
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition$2,500
Full specifications
Case
6 specsCategory
—
Chronograph
Diameter
40mm
42mm
Thickness
13mm
14.6mm
Lug-to-Lug
—
49.5mm
Material
Bronze
Stainless Steel
Water Resistance
300m
100m
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 and index(es)
Movement
3 specsCaliber
Sellita SW-200
8R48
Power Reserve
—
45h
Jewels
25
34
Pricing
1 specsMSRP
—
$2,500
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