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Ergon Watches MaelstromvsGrand Seiko SLGW004

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

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Maelstrom
Ergon WatchesMaelstrom
SLGW004
Grand SeikoSLGW004
MSRP $30,000
Buy from Ergon Watches ↗
Buy used on eBay ↗
Buy from Grand Seiko ↗
Buy used on eBay ↗

At a glance

13 of 29 specs differ
Diameter
Maelstrom40mm
SLGW00438.8mm
Power Reserve
Maelstrom—
SLGW00480h
Water Resistance
Maelstrom300m
SLGW00430m
MSRP
Maelstrom—
SLGW004$30,000

Full specifications

Case

7 specs
Category
—
Dress
Diameter
40mm
38.8mm
Thickness
13mm
10.4mm
Lug-to-Lug
—
43.7mm
Lug Width
20mm
19mm
Material
Bronze
Gold
Water Resistance
300m
30m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
Gradient Green
Black

Movement

3 specs
Caliber
Sellita SW-200
9SA4
Type
Automatic
Manual
Power Reserve
—
80h

Pricing

1 specs
MSRP
—
$30,000
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