Side by side

Massena LAB Dato-RacervsJack Mason Strat-o-timer GMT

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

Dato-Racer
Massena LABDato-Racer
MSRP $1,595
Strat-o-timer GMT
Jack MasonStrat-o-timer GMT
MSRP $1,099
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.

Jack Mason Strat-o-timer GMT

Owners widely praise the Jack Mason Strat-o-timer GMT for its impressive fit and finish, excellent value, and true traveler GMT complication, especially considering its price point. Reviewers and owners alike highlight the comfortable 40mm tonneau case, sapphire crystal bezel, and retro styling. Some owners note the hour markers are "chubby" but do not affect legibility, and the strap ends are slightly large. One owner describes the 7-link bracelet as rivaling luxury brands. On balance, owners and reviewers rate the Jack Mason Strat-o-timer GMT highly for its build quality and value proposition.

At a glance

10 of 29 specs differ
Diameter
Dato-Racer40mm
Strat-o-timer GMT40mm
Power Reserve
Dato-Racer38h
Strat-o-timer GMT42h
Water Resistance
Dato-Racer50m
Strat-o-timer GMT200m
MSRP
Dato-Racer$1,595
Strat-o-timer GMT$1,099

Full specifications

Case

4 specs
Category
Sport
Thickness
10.5mm
13.2mm
Lug-to-Lug
46mm
47mm
Water Resistance
50m
200m

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Dial Color
Black

Movement

3 specs
Caliber
SW400-1
Miyota 9075
Power Reserve
38h
42h
Jewels
26
25

Pricing

1 specs
MSRP
$1,595
$1,099
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