Side by side

Jack Mason Strat-o-timer GMTvsShiro Kara Daibāzu: Hulk SUB

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

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.

Shiro Kara Daibāzu: Hulk SUB

Owners widely praise the Shiro Kara Daibāzu: Hulk SUB for its dial printing, date wheel, and bezel action. One owner confirmed the watch remained waterproof after five days. However, some owners report minor issues such as a slightly off-centered 12 marker or dissatisfaction with bracelet quality, while another felt the crystal was not the best but still looked great. Overall, owners rate the Shiro Kara Daibāzu: Hulk SUB highly for its strong dial and bezel presentation at the price point.

At a glance

6 of 29 specs differ
Diameter
Strat-o-timer GMT40mm
Daibāzu: Hulk SUB40mm
Power Reserve
Strat-o-timer GMT42h
Daibāzu: Hulk SUB41h
Water Resistance
Strat-o-timer GMT200m
Daibāzu: Hulk SUB100m
MSRP
Strat-o-timer GMT$1,099
Daibāzu: Hulk SUB$508

Full specifications

Case

3 specs
Lug-to-Lug
47mm
48mm
Material
Stainless Steel
904L Stainless Steel
Water Resistance
200m
100m

Movement

2 specs
Caliber
Miyota 9075
Seiko NH35
Power Reserve
42h
41h

Pricing

1 specs
MSRP
$1,099
$508
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