Side by side

Grand Seiko SBGM221vsSpinnaker Tesei Bronze Swiss

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

SBGM221
Grand SeikoSBGM221
MSRP $5,400
Tesei Bronze Swiss
SpinnakerTesei Bronze Swiss
MSRP $850

At a glance

12 of 29 specs differ
Diameter
SBGM22139.5mm
Tesei Bronze Swiss43mm
Power Reserve
SBGM22172h
Tesei Bronze Swiss40h
Water Resistance
SBGM22130m
Tesei Bronze Swiss300m
MSRP
SBGM221$5,400
Tesei Bronze Swiss$850

Full specifications

Case

7 specs
Category
GMT
Diver
Diameter
39.5mm
43mm
Thickness
13.7mm
16mm
Lug-to-Lug
46.9mm
52mm
Lug Width
19mm
22mm
Material
Stainless Steel
Bronze
Water Resistance
30m
300m

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Dial Color
Black
Green

Movement

2 specs
Caliber
9S66
Sellita SW200-1
Power Reserve
72h
40h

Pricing

1 specs
MSRP
$5,400
$850

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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 Tesei Bronze Swiss

Owners praise the Spinnaker Tesei Bronze Swiss for its incredible macro-level detail and sharp design, noting its bronze case, ceramic bezel, and wave dial. The inclusion of a Sellita SW200 Swiss movement is highlighted. One owner expressed a desire for a smaller 39-40mm variant, stating it would be their ultimate bronze diver if such a size were offered. On balance, owners rate the Spinnaker Tesei Bronze Swiss highly for its detailed finishing and bronze diver aesthetic.

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