Side by side

Jack Mason Strat-o-timer GMTvsSeiko Ice Diver

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

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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.

From video reviewers

The Miyota 9075 true GMT movement is a consistent strength. Reviewers noted the exceptional lightness and comfort due to Grade 2 titanium construction. Opinions on whether further refinements are needed were not shared.

Seiko Ice Diver

Owners widely praise the Seiko Prospex Sea for its robust build, classic dive watch design, and excellent value, with many highlighting its strong lume and comfortable wearability. Reviewers consistently flag its superior bezel action and overall finishing as standout features for its price point. Some owners find the 43mm case size substantial, with one noting it felt big, thick, and heavy on a 6.5-inch wrist, though others consider it a perfect size. The movement's power reserve is noted as less than newer variants by one reviewer. Overall, owners and reviewers rate the Seiko Prospex Sea highly for its classic design and robust build at an accessible price.

At a glance

11 of 29 specs differ
Diameter
Strat-o-timer GMT40mm
Ice Diver45mm
Power Reserve
Strat-o-timer GMT42h
Ice Diver70h
Water Resistance
Strat-o-timer GMT200m
Ice Diver200m
MSRP
Strat-o-timer GMT$1,099
Ice Diver$900

Full specifications

Case

5 specs
Category
Diver
Diameter
40mm
45mm
Thickness
13.2mm
12.9mm
Lug-to-Lug
47mm
52.6mm
Material
Stainless Steel

Crystal & Dial

2 specs
Dial Color
Lume
None
LumiBrite

Movement

3 specs
Caliber
Miyota 9075
Seiko 6R35
Power Reserve
42h
70h
Jewels
0
24

Pricing

1 specs
MSRP
$1,099
$900
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