Side by side

Jack Mason Strat-o-timer GMTvsSeiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition

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

Add a watch
Strat-o-timer GMT
Jack MasonStrat-o-timer GMT
MSRP $1,149
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition
SeikoProspex Sea 1968 Heritage Diver's GMT Watch Limited Edition
MSRP $1,750
Buy from Jack Mason ↗
Buy used on eBay ↗
Buy from Seiko ↗
Buy used on eBay ↗

At a glance

13 of 29 specs differ
Diameter
Strat-o-timer GMT42mm
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition42mm
Power Reserve
Strat-o-timer GMT40h
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition72h
Water Resistance
Strat-o-timer GMT200m
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition300m
MSRP
Strat-o-timer GMT$1,149
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition$1,750

Full specifications

Case

6 specs
Category
—
Diver
Thickness
13.2mm
13.3mm
Lug-to-Lug
49mm
48.6mm
Lug Width
22mm
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
200m
300m

Crystal & Dial

3 specs
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
—
Black
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Miyota 9075
6R54
Power Reserve
40h
72h
Jewels
25
24

Pricing

1 specs
MSRP
$1,149
$1,750
Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Duckworth Prestex Rivington GMT Automatic
Duckworth Prestexmicro

Rivington GMT Automatic

4 variantsRef. rivington-gmt
42mm·Automatic·200m WR
$995MSRP
—Used
Geckota Sea-Hunter Dive Watch
Geckotamicro

Sea-Hunter Dive Watch

6 variantsSea-Hunter
40mm·Automatic·200m WR
$349MSRP
—Used
Duckworth Prestex Rivington GMT Special Edition
Duckworth Prestexmicro

Rivington GMT Special Edition

3 variantsRef. rivington-gmt-special
42mm·Automatic·200m WR
$1,100MSRP
—Used
Echo/Neutra Cristallo Professional Diver 500m
Echo/Neutramicro

Cristallo Professional Diver 500m

2 variantsCRISTALLO
42mm·Automatic·500m WR
$1,450MSRP
—Used
Nadir Vespera GMT
Nadirmicro

Vespera GMT

3 variantsRef. vespera-gmt-dark-en
42mm·Automatic·200m WR
—MSRP
—Used
Geckota Phalanx
Geckotamicro

Phalanx

8 variantsPhalanx
42mm·Automatic·300m WR
$349MSRP
—Used
Santurce Guaraguao True GMT — Automatic Pilot Watch
Santurcemicro

Guaraguao True GMT — Automatic Pilot Watch

Ref. modelo-guaraguao-true-gmt
42mm·Automatic·300m WR
$999MSRP
—Used
Wolbrook Skindiver II Professional
Wolbrookmicro

Skindiver II Professional

9 watches · 69 variantsSkindiver
40mm·Automatic·200m WR
$539MSRP
—Used
All alternatives to the Strat-o-timer GMT →All alternatives to the Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition →
Explore the full catalog

Follow this matchup

Get a note when Jack Mason Strat-o-timer GMT vs Seiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.

Jack Mason Strat-o-timer GMTvsSeiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited EditionDuckworth Prestex Rivington GMT AutomaticvsSeiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited EditionDuckworth Prestex Rivington GMT Special EditionvsSeiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited EditionNadir Vespera GMTvsSeiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited EditionGeckota Sea-Hunter Dive WatchvsJack Mason Strat-o-timer GMTEcho/Neutra Cristallo Professional Diver 500mvsJack Mason Strat-o-timer GMT
Edit this comparisonAdd another watchExplore more 41–43mm watches