Side by side

Jack Mason Strat-o-timer GMTvsTimefactors PRS-57

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

Strat-o-timer GMT
Jack MasonStrat-o-timer GMT
MSRP $1,099
PRS-57
TimefactorsPRS-57
MSRP $1,268
What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

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.

Timefactors PRS-57

Owners widely praise the Timefactors PRS for its 40mm sizing and sapphire crystal. The lume is described as decent when fully charged, glowing dimly for at least twenty minutes. Some owners find the watch's minute hand less striking than its nickname suggests and feel it resembles a vintage Rolex homage without direct copying. On balance, owners rate the Timefactors PRS highly for its comfortable 40mm wearability and sapphire crystal at its price point.

At a glance

7 of 29 specs differ
Diameter
Strat-o-timer GMT40mm
PRS-5740mm
Power Reserve
Strat-o-timer GMT42h
PRS-5762h
Water Resistance
Strat-o-timer GMT200m
PRS-57100m
MSRP
Strat-o-timer GMT$1,099
PRS-57$1,268

Full specifications

Case

3 specs
Thickness
13.2mm
15mm
Lug-to-Lug
47mm
46mm
Water Resistance
200m
100m

Crystal & Dial

1 specs
Lume
None
SuperLuminova X1-C3

Movement

2 specs
Caliber
Miyota 9075
Sellita SW510
Power Reserve
42h
62h

Pricing

1 specs
MSRP
$1,099
$1,268
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