Side by side

Ergon Watches MaelstromvsGrand Seiko SBGM245

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

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Maelstrom
Ergon WatchesMaelstrom
SBGM245
Grand SeikoSBGM245
MSRP $6,100
Buy from Ergon Watches ↗
Buy used on eBay ↗
Buy from Grand Seiko ↗
Buy used on eBay ↗

At a glance

11 of 29 specs differ
Diameter
Maelstrom40mm
SBGM24540.5mm
Power Reserve
Maelstrom—
SBGM24572h
Water Resistance
Maelstrom300m
SBGM245200m
MSRP
Maelstrom—
SBGM245$6,100

Full specifications

Case

6 specs
Category
—
GMT
Diameter
40mm
40.5mm
Thickness
13mm
14.4mm
Lug-to-Lug
—
48.6mm
Material
Bronze
Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
Gradient Green
Black

Movement

2 specs
Caliber
Sellita SW-200
9S66
Power Reserve
—
72h

Pricing

1 specs
MSRP
—
$6,100
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