Jack Mason Strat-o-timer GMTvsTudor Black Bay GMT S&G

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Jack Mason Strat-o-timer GMT at true scale

Strat-o-timer GMT

Tudor Black Bay GMT S&G at true scale

Black Bay GMT S&G

Diameter

40mm

41mm

Lug-to-Lug

47mm

n/a

Thickness

13.2mm

lowest

14.6mm

Water Resistance

200m

200m

Power Reserve

42h

70h

highest

MSRP

$1,099

n/a

Movement

Miyota 9075

Tudor MT5652

Case

5 specs
Diameter
40mm
41mm
Thickness
13.2mm
14.6mm
Lug-to-Lug
47mm
n/a
Lug Width
20mm
22mm
Material
Stainless Steel
steel

Crystal & Dial

1 specs
Dial Color
n/a
n/a

Movement

2 specs
Caliber
Miyota 9075
Tudor MT5652
Power Reserve
42h
70h

Pricing

1 specs
MSRP
$1,099
n/a
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Reviews

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 excellent value and impressive fit and finish, particularly noting the quality of the 7-link bracelet and the scratch-resistant sapphire bezel insert. The watch is recognized for offering a true traveler's GMT complication with the Miyota 9075 movement at a competitive price point, with many appreciating its comfortable 40mm tonneau case and vintage styling. Some owners find the hour markers to be a bit chunky, and one user noted slightly scratchy crown operation. Overall, owners rate the Jack Mason Strat-o-timer GMT highly for its exceptional value and build quality at its price point.

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.

Tudor Black Bay GMT S&G

Owners widely praise the Tudor Black Bay GMT S&G for its striking "Root Beer" aesthetic, with reviewers calling it a "fully-realized design aesthetic" that "flat-out rules," noting it looks better in person than in photos. The watch features gold-toned hands and hour markers against a matte brown and black bezel, with gold accents on the crown and bracelet center links. While the 41mm case is considered acceptable for a sports watch with its features, some owners and reviewers find the Tudor Black Bay GMT S&G to be thick and heavy, with one owner noting its weight and thickness might not suit everyone. Overall, owners and reviewers rate the Tudor Black Bay GMT S&G highly for its compelling vintage-inspired design and the value it offers.