Side by side

Grand Seiko SBGY007vsSpinnaker Hull Diver

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

SBGY007
Grand SeikoSBGY007
MSRP $8,900
Hull Diver
SpinnakerHull Diver
MSRP $375

At a glance

13 of 29 specs differ
Diameter
SBGY00738.5mm
Hull Diver42mm
Power Reserve
SBGY00772h
Hull Diver40h
Water Resistance
SBGY00730m
Hull Diver300m
MSRP
SBGY007$8,900
Hull Diver$375

Full specifications

Case

7 specs
Category
Dress
Diver
Diameter
38.5mm
42mm
Thickness
10.2mm
15mm
Lug-to-Lug
43.7mm
47.5mm
Lug Width
19mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
30m
300m

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Dial Color
Black
Green

Movement

3 specs
Caliber
9R31
SII NH35A
Type
Spring Drive
Automatic
Power Reserve
72h
40h

Pricing

1 specs
MSRP
$8,900
$375

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Grand Seiko SBGY007

Grand Seiko SBGY007 owners and reviewers widely praise its stunning, textured blue dial, inspired by frozen Lake Suwa, and its clean, time-only aesthetic. The watch is lauded for its impeccable finishing, including high polish and Zaratsu polishing, and its classic, thin 38.5mm stainless steel dress case. The hand-wound Spring Drive Caliber 9R31 movement is noted for its accuracy, rated to ±1 second per day, and a 72-hour power reserve, with its power reserve indicator discreetly placed on the case back. While some reviewers suggest room for improvement in Grand Seiko's pricing structure, the $8,300 USD price is seen by others as a relatively affordable entry into the brand's high-end offerings. On balance, the consensus is that the Grand Seiko SBGY007 is highly regarded for its exceptional dial artistry and refined finishing at its price point.

Spinnaker Hull Diver

The Spinnaker Hull Diver is widely praised for its excellent build quality, featuring a milled clasp, solid links, and a strong anti-reflective coating on its sapphire crystal. Owners highlight its value, with one calling it one of their best affordable watches at $170, and appreciate the dual-part case construction that contributes to a reduced thickness. The blue dial is noted for its attractive play of light, and the screw-down crown is easy to operate. However, the lume is considered average, and some desire a higher beat movement. On balance, owners rate the Spinnaker Hull Diver highly for its robust construction and strong value proposition at its price point.

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