Side by side
Grand Seiko SBGW306vsSpinnaker Hull Chronograph
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
SBGW30636.5mm
Hull Chronograph42mm
Power Reserve
SBGW30672h
Hull Chronograph40h
Water Resistance
SBGW306100m
Hull Chronograph100m
MSRP
SBGW306$17,900
Hull Chronograph$149
Full specifications
Case
6 specsCategory
Dress
Chronograph
Diameter
36.5mm
42mm
Thickness
11.7mm
15mm
Lug-to-Lug
42.7mm
48mm
Lug Width
18mm
22mm
Material
Gold
316L Stainless Steel
Crystal & Dial
2 specsAR Coating
Yes
Inner
Dial Color
Black
Maroon
Movement
3 specsCaliber
9S64
Seiko VK64
Type
Manual
Quartz
Power Reserve
72h
40h
Pricing
1 specsMSRP
$17,900
$149
Follow this matchup
Get a note when Grand Seiko SBGW306 vs Spinnaker Hull Chronograph gets more votes, a community discussion, or a price drop. No account needed.
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.











