Side by side

Jack Mason Strat-o-timer GMTvsSeiko Captain Willard

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 and reviewers widely praise the Jack Mason Strat-o-timer GMT for its exceptional value and traveler GMT functionality powered by the Miyota 9075 movement. Specific strengths highlighted include impressive fit and finish, screw-in bracelet pins, on-the-fly adjustment, sapphire crystal front and back, a screw-down crown, and a lumed bezel. The 7-link bracelet, with its micro-adjust buckle offering 9 points of adjustment, is frequently cited as a standout feature, with some owners comparing it favorably to much more expensive watches. Some reviewers note "chubby" hour markers and a potentially plastic bezel insert, though others state it is sapphire. The watch is praised for its comfortable 42mm case and vintage aesthetic. Overall, owners rate the Jack Mason Strat-o-timer GMT highly for its outstanding value and well-executed traveler GMT complication.

From video reviewers

The Miyota 9075 true GMT movement is a consensus strength. The lume on the hands, dial, and bezel is also a shared positive feature. Reviewers did not reach a consensus on any weaknesses or points of disagreement.

Seiko Captain Willard

The Seiko Prospex Sea 1970 Diver's Modern Re-interpretation is praised for its impressive finishing and value, with reviewers noting its well-designed dial and excellent LumiBrite lume. The watch features a textured grey or dark brown dial, silver hands and indexes with beige or cream lume, and a matte grey or dark bezel insert. It houses the 6R35 automatic movement with a 70-hour power reserve. Some reviewers question if its performance specs align with its price point. Overall, reviewers rate the Seiko Prospex Sea 1970 Diver's Modern Re-interpretation highly for its finishing and value over $1,000.

At a glance

13 of 29 specs differ
Diameter
Strat-o-timer GMT42mm
Captain Willard42.7mm
Power Reserve
Strat-o-timer GMT42h
Captain Willard70h
Water Resistance
Strat-o-timer GMT200m
Captain Willard200m
MSRP
Strat-o-timer GMT$1,149
Captain Willard$1,300

Full specifications

Case

5 specs
Category
Diver
Diameter
42mm
42.7mm
Lug-to-Lug
49mm
46.6mm
Lug Width
22mm
20mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

4 specs
Crystal Shape
Curved
AR Coating
underside
Dial Color
Black
Lume
None
LumiBrite

Movement

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

Pricing

1 specs
MSRP
$1,149
$1,300
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