Which is cheaper, the Jack Mason Strat-o-timer GMT or the Tudor Black Bay Bronze?

At MSRP the Jack Mason Strat-o-timer GMT is the cheaper of the two at $1,149, against $5,425 for the Tudor Black Bay Bronze — a $4,276 gap before any retailer discounting.

Which is bigger, the Jack Mason Strat-o-timer GMT or the Tudor Black Bay Bronze?

The Tudor Black Bay Bronze wears larger at 43mm versus 42mm for the Jack Mason Strat-o-timer GMT — a 1mm difference across the dial.

Which has a longer power reserve, the Jack Mason Strat-o-timer GMT or the Tudor Black Bay Bronze?

The Tudor Black Bay Bronze carries a 70-hour power reserve against 40 hours on the Jack Mason Strat-o-timer GMT.

What movement does the Jack Mason Strat-o-timer GMT run compared to the Tudor Black Bay Bronze?

Both watches run automatic movements — the Jack Mason Strat-o-timer GMT uses the Miyota 9075 and the Tudor Black Bay Bronze uses the MT5601.

Side by side

Jack Mason Strat-o-timer GMTvsTudor Black Bay Bronze

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

Add a watch

Jack Mason Strat-o-timer GMT

strat-o-timer-42-americana

MSRP $1,149

Tudor Black Bay Bronze

m79250ba-0001

MSRP $5,425

Buy from Jack Mason ↗

Buy used on eBay ↗

Buy from Tudor ↗

Buy used on eBay ↗

At a glance

19 of 29 specs differ

Diameter

Strat-o-timer GMT42mm

Black Bay Bronze43mm

Power Reserve

Strat-o-timer GMT40h

Black Bay Bronze70h

Water Resistance

Strat-o-timer GMT200m

Black Bay Bronze200m

MSRP

Strat-o-timer GMT$1,149

Black Bay Bronze$5,425

Full specifications

Case

8 specs

Crystal & Dial

4 specs

Crystal Shape

Flat

—

AR Coating

Inner

—

Dial Color

—

Grey

Indices

Applied

—

Movement

6 specs

Caliber

Miyota 9075

MT5601

Beat Rate

28,800 vph

0 vph

Power Reserve

40h

70h

Jewels

Hacking

Yes

Hand-winding

Yes

Pricing

1 specs

MSRP

$1,149

$5,425

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