Side by side

Grand Seiko SBGM221vsSpinnaker Hull Titanium Bronze

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

SBGM221
Grand SeikoSBGM221
MSRP $5,400
Hull Titanium Bronze
SpinnakerHull Titanium Bronze
MSRP $425

At a glance

11 of 29 specs differ
Diameter
SBGM22139.5mm
Hull Titanium Bronze42mm
Power Reserve
SBGM22172h
Hull Titanium Bronze40h
Water Resistance
SBGM22130m
Hull Titanium Bronze100m
MSRP
SBGM221$5,400
Hull Titanium Bronze$425

Full specifications

Case

7 specs
Category
GMT
Diver
Diameter
39.5mm
42mm
Thickness
13.7mm
15mm
Lug-to-Lug
46.9mm
50mm
Lug Width
19mm
22mm
Material
Stainless Steel
Titanium
Water Resistance
30m
100m

Crystal & Dial

1 specs
AR Coating
Yes
Inner

Movement

2 specs
Caliber
9S66
SII NH35A
Power Reserve
72h
40h

Pricing

1 specs
MSRP
$5,400
$425

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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 SBGM221

Grand Seiko SBGM221 is widely praised for its exceptional dial finish, highly polished hands and indices, and elegant design. Owners consistently highlight the stunning craftsmanship, with specific mention of the up to 11 hand-polished facets on its rectangular markers. The reliable 9S66 movement is noted for its 72-hour power reserve and true GMT functionality, tested beyond Chronometer specifications. Some enthusiasts desire a bidirectional 24-hour bezel, which the Grand Seiko SBGM221 lacks, and its 13.7mm thickness and 19mm lug width are noted as potential limitations. On balance, owners rate the Grand Seiko SBGM221 highly for its exquisite finishing and elegant, comfortable design.

From video reviewers

The SBGM221 is praised for its value within the Grand Seiko lineup. The lug width is cited as a weakness.

Spinnaker Hull Titanium Bronze

The Spinnaker Hull Titanium Bronze is a sold-out limited edition that has garnered significant interest, with one owner noting its titanium case stands out with a white strap. Owners are split on the watch's value, with one finding it a good purchase at $125 and another questioning the strap's suitability for its 100M water resistance. Some reviewers flag the VK73 movement's limited 60-minute chronograph and a big date window obscured by the chronograph hand, while others praise the handsome design with a textured sandwich dial and comfortable wearability. Lume is described as non-existent by one source. Overall, owners and reviewers are divided on the Spinnaker Hull Titanium Bronze, with praise for its design and wearability tempered by criticism of its movement execution and strap.

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