Side by side

Massena LAB Dato-RacervsGrand Seiko SBGM221

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

Dato-Racer
Massena LABDato-Racer
MSRP $1,595
SBGM221
Grand SeikoSBGM221
MSRP $5,400

At a glance

10 of 29 specs differ
Diameter
Dato-Racer40mm
SBGM22139.5mm
Power Reserve
Dato-Racer38h
SBGM22172h
Water Resistance
Dato-Racer50m
SBGM22130m
MSRP
Dato-Racer$1,595
SBGM221$5,400

Full specifications

Case

6 specs
Category
Sport
GMT
Diameter
40mm
39.5mm
Thickness
10.5mm
13.7mm
Lug-to-Lug
46mm
46.9mm
Lug Width
20mm
19mm
Water Resistance
50m
30m

Movement

3 specs
Caliber
SW400-1
9S66
Power Reserve
38h
72h
Jewels
26
25

Pricing

1 specs
MSRP
$1,595
$5,400

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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.

Massena LAB Dato-Racer

Owners widely praise the Massena LAB Dato-Racer as an excellent everyday watch, appreciating its blend of 1970s-inspired aesthetics with modern dimensions. This model is a limited edition of 99 pieces. On balance, owners rate the Massena LAB Dato-Racer highly for its successful fusion of vintage design and contemporary wearability.

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.

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