Side by side

Massena LAB Dato-RacervsGrand Seiko SLGW004

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

Dato-Racer
Massena LABDato-Racer
MSRP $1,595
SLGW004
Grand SeikoSLGW004
MSRP $30,000

At a glance

12 of 29 specs differ
Diameter
Dato-Racer40mm
SLGW00438.8mm
Power Reserve
Dato-Racer38h
SLGW00480h
Water Resistance
Dato-Racer50m
SLGW00430m
MSRP
Dato-Racer$1,595
SLGW004$30,000

Full specifications

Case

7 specs
Category
Sport
Dress
Diameter
40mm
38.8mm
Thickness
10.5mm
10.4mm
Lug-to-Lug
46mm
43.7mm
Lug Width
20mm
19mm
Material
Stainless Steel
Gold
Water Resistance
50m
30m

Movement

4 specs
Caliber
SW400-1
9SA4
Type
Automatic
Manual
Power Reserve
38h
80h
Jewels
26
25

Pricing

1 specs
MSRP
$1,595
$30,000

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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 SLGW004

The Grand Seiko SLGW004 is praised for its elegant, faithful reissue design and impressive technical execution, featuring a new 9SA4 hi-beat manual-winding movement with an 80-hour power reserve and accuracy of -3/+5 seconds per day. Reviewers highlight the sharp case facets, double-signed dial, and beautifully decorated movement visible through the display caseback, along with an enjoyable winding experience. One reviewer noted a desire for better water resistance and expressed a dislike for the etched sapphire case back. Overall, reviewers rate the Grand Seiko SLGW004 highly for its elegant design and technically impressive movement.

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