Side by side

Jack Mason Strat-o-timer GMTvsSeiko Prospex Sea PADI Special Edition

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
Prospex Sea PADI Special Edition
SeikoProspex Sea PADI Special Edition
MSRP $650
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 Prospex Sea PADI Special Edition

The Seiko Prospex Sea PADI Special Edition is widely praised for its attractive blue and red PADI colors, rich dial aesthetic, and excellent lume that stands out even in dim environments. Owners highlight its robust build quality and excellent bezel action, noting the wave dial is a favorite. However, the Hardlex crystal and the 4R36 movement's accuracy range of +45 to -35 seconds per day are identified as compromises for the price. Some owners find the diver's extension difficult to open and the bracelet adjustment challenging, though manageable. On balance, owners and reviewers rate the Seiko Prospex Sea PADI Special Edition highly for its build quality and striking dial design at its price point.

At a glance

11 of 29 specs differ
Diameter
Strat-o-timer GMT40mm
Prospex Sea PADI Special Edition41.7mm
Power Reserve
Strat-o-timer GMT42h
Prospex Sea PADI Special Edition41h
Water Resistance
Strat-o-timer GMT200m
Prospex Sea PADI Special Edition200m
MSRP
Strat-o-timer GMT$1,099
Prospex Sea PADI Special Edition$650

Full specifications

Case

4 specs
Category
Diver
Diameter
40mm
41.7mm
Thickness
13.2mm
12.3mm
Lug-to-Lug
47mm
49.5mm

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
Dial Color
Black
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Miyota 9075
4R35
Power Reserve
42h
41h
Jewels
25
23

Pricing

1 specs
MSRP
$1,099
$650
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