Side by side

Jack Mason Strat-o-timer GMTvsBaltic Prismic Stone

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
Prismic Stone
BalticPrismic Stone
MSRP $1,404
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.

Baltic Prismic Stone

Owners and reviewers widely praise the Baltic Prismic Stone for its striking and unique natural stone dials, with specific mentions of the bloodstone and red agate variants being highlights. The watch is noted for its refined, retro dress watch aesthetic, featuring a well-finished 36mm bi-metal case combining stainless steel and titanium, and a slim profile measuring 9.2mm or 9.5mm thick. The hand-wound movement, either an ETA Peseux 7001 or a La Joux-Perret D100, is generally seen as reliable, offering a 42-hour or 50-hour power reserve respectively. However, some owners find the collection overpriced and the small, recessed crown uncomfortable for winding. The Milanese bracelet is also a point of contention, with some finding it may not articulate well for smaller wrists. Accuracy figures vary, with one owner reporting +1/+2 seconds per day and another around -6 seconds per day.

From video reviewers

The unique natural stone dials are a standout feature of the Baltic Prismic Stone. The slim 9mm case, constructed from stainless steel and Grade 5 titanium, is also a notable aspect. However, some buyers may find the price of €1,300 to be a trade-off, considering the watch's Swiss movement and slim profile may not justify the cost compared to competitors.

At a glance

11 of 29 specs differ
Diameter
Strat-o-timer GMT40mm
Prismic Stone36mm
Power Reserve
Strat-o-timer GMT42h
Prismic Stone50h
Water Resistance
Strat-o-timer GMT200m
Prismic Stone30m
MSRP
Strat-o-timer GMT$1,099
Prismic Stone$1,404

Full specifications

Case

5 specs
Category
Dress
Diameter
40mm
36mm
Thickness
13.2mm
9.2mm
Lug-to-Lug
47mm
44mm
Water Resistance
200m
30m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
Bloodstone

Movement

3 specs
Caliber
Miyota 9075
La Joux-Perret D100
Type
Automatic
Manual
Power Reserve
42h
50h

Pricing

1 specs
MSRP
$1,099
$1,404
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