Side by side
Grand Seiko SBGD223vsZelos Helmsman 3
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
SBGD22344.5mm
Helmsman 340mm
Power Reserve
SBGD223192h
Helmsman 340h
Water Resistance
SBGD223100m
Helmsman 3200m
MSRP
SBGD223$320,000
Helmsman 3$529
Full specifications
Case
7 specsCategory
Chronograph
Diver
Diameter
44.5mm
40mm
Thickness
14.4mm
11.5mm
Lug-to-Lug
52mm
40mm
Lug Width
23mm
20mm
Material
Platinum
316L Stainless Steel
Water Resistance
100m
200m
Crystal & Dial
3 specsCrystal
Sapphire
Domed Sapphire
AR Coating
Yes
Inner
Dial Color
Black
SS - Frost
Movement
3 specsCaliber
9R01
Miyota 9015
Type
Spring Drive
Automatic
Power Reserve
192h
40h
Pricing
1 specsMSRP
$320,000
$529
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