Side by side

Jack Mason Strat-o-timer GMTvsSeiko Presage Sharp Edged Series

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.

Seiko Presage Sharp Edged Series

The Seiko Presage Sharp Edged Series is widely praised for its modern, angular case design and intricate Asanoha dial patterns, with reviewers highlighting its refined finishing and strong cultural significance. Owners and reviewers consistently note the 70-hour power reserve from the 6R35 movement (or 6R38/6R5J in some variants), anti-reflective sapphire crystals, and 10 bar water resistance. The collection is considered competitively priced, offering significant value for its design and build quality. Some models feature a super-hard coating on the case and bracelet. One owner notes the black dial of the SARX083 offers a subtle pop in the light, and another reviewer points out that a 24-hour indicator on certain models is a niche feature. Case sizes vary, with some models at 39.3mm and others at 40.2mm, and thickness ranges from 11.1mm to 11.8mm. Power reserves differ, with some models featuring 45 hours from the 6R21 movement.

At a glance

12 of 29 specs differ
Diameter
Strat-o-timer GMT40mm
Presage Sharp Edged Series42.2mm
Power Reserve
Strat-o-timer GMT42h
Presage Sharp Edged Series45h
Water Resistance
Strat-o-timer GMT200m
Presage Sharp Edged Series100m
MSRP
Strat-o-timer GMT$1,099
Presage Sharp Edged Series$1,400

Full specifications

Case

5 specs
Category
GMT
Diameter
40mm
42.2mm
Thickness
13.2mm
13.7mm
Lug-to-Lug
47mm
49.2mm
Water Resistance
200m
100m

Crystal & Dial

3 specs
AR Coating
Anti-reflective coating on inner surface
Dial Color
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Miyota 9075
6R64
Power Reserve
42h
45h
Jewels
0
29

Pricing

1 specs
MSRP
$1,099
$1,400
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