Side by side

Grand Seiko SBGM221vsZelos Spearfish 3

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

SBGM221
Grand SeikoSBGM221
MSRP $5,400
Spearfish 3
ZelosSpearfish 3
MSRP $749

At a glance

12 of 29 specs differ
Diameter
SBGM22139.5mm
Spearfish 340mm
Power Reserve
SBGM22172h
Spearfish 340h
Water Resistance
SBGM22130m
Spearfish 3200m
MSRP
SBGM221$5,400
Spearfish 3$749

Full specifications

Case

7 specs
Category
GMT
Diver
Diameter
39.5mm
40mm
Thickness
13.7mm
11.5mm
Lug-to-Lug
46.9mm
40mm
Lug Width
19mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
30m
200m

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Dial Color
Black
Diver - Forged Carbon

Movement

2 specs
Caliber
9S66
La Joux-Perret G100
Power Reserve
72h
40h

Pricing

1 specs
MSRP
$5,400
$749

Follow this matchup

Get a note when Grand Seiko SBGM221 vs Zelos Spearfish 3 gets more votes, a community discussion, or a price drop. No account needed.

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.

Zelos Spearfish 3

The Zelos Spearfish 3 is widely praised for its exceptional finishing, with razor-sharp polish and flawless brushed transitions that owners feel exceed its price point. The 40mm case is noted for its wearability, and the La Joux-Perret G100 movement offers a 68-hour power reserve, with reported accuracy averaging +2.6 seconds per day. Reviewers highlight the exceptionally smooth bi-directional bezel and a tool-less micro-adjustment clasp described as best-in-class among microbrands. The sapphire sandwich construction and lumed bezel are also cited as desirable features. Overall, owners and reviewers rate the Zelos Spearfish 3 highly for its outstanding finishing and value at its price point.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.