Side by side

Ergon Watches MaelstromvsGrand Seiko SLGB023

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

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Maelstrom
Ergon WatchesMaelstrom
SLGB023
Grand SeikoSLGB023
MSRP $12,400
Buy from Ergon Watches ↗
Buy used on eBay ↗
Buy from Grand Seiko ↗
Buy used on eBay ↗

At a glance

12 of 29 specs differ
Diameter
Maelstrom40mm
SLGB02340.8mm
Power Reserve
Maelstrom—
SLGB02372h
Water Resistance
Maelstrom300m
SLGB023300m
MSRP
Maelstrom—
SLGB023$12,400

Full specifications

Case

6 specs
Category
—
Diver
Diameter
40mm
40.8mm
Thickness
13mm
12.9mm
Lug-to-Lug
—
48.5mm
Lug Width
20mm
21mm
Material
Bronze
Titanium

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
Gradient Green
Black

Movement

3 specs
Caliber
Sellita SW-200
9RB1
Type
Automatic
Spring Drive
Power Reserve
—
72h

Pricing

1 specs
MSRP
—
$12,400
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