Which is bigger, the Seiko Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition or the Straton Syncro MKII Mechanical Chrono?

The Seiko Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition wears larger at 42mm versus 40mm for the Straton Syncro MKII Mechanical Chrono — a 2mm difference across the dial.

What movement does the Seiko Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition run compared to the Straton Syncro MKII Mechanical Chrono?

The Seiko Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition runs a automatic caliber (6R54), while the Straton Syncro MKII Mechanical Chrono runs a manual (Seagull ST19).

Side by side

Seiko Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited EditionvsStraton Straton Syncro MKII Mechanical Chrono

Q: Which is cheaper, the Seiko Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition or the Straton Syncro MKII Mechanical Chrono?

At MSRP the Straton Syncro MKII Mechanical Chrono is the cheaper of the two at $599, against $1,750 for the Seiko Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition — a $1,151 gap before any retailer discounting.

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

Seiko Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition

spb509j1

MSRP $1,750

Straton Straton Syncro MKII Mechanical Chrono

straton-syncro-mkii-mechanical-chrono

MSRP $599

At a glance

19 of 29 specs differ

Diameter

Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition42mm

Straton Syncro MKII Mechanical Chrono40mm

Power Reserve

Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition72h

Straton Syncro MKII Mechanical Chrono—

Water Resistance

Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition300m

Straton Syncro MKII Mechanical Chrono100m

MSRP

Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition$1,750

Straton Syncro MKII Mechanical Chrono$599

Full specifications

Case

8 specs

Crystal & Dial

5 specs

Crystal Shape

Flat

Domed

AR Coating

Anti-reflective coating on inner surface

Underside

Dial Color

Black

—

Indices

Applied

—

Lume

LumiBrite on hands, index(es) and bezel

None

Movement

5 specs

Caliber

6R54

Seagull ST19

Type

Automatic

Manual

Beat Rate

28,800 vph

0 vph

Power Reserve

72h

Jewels

Pricing

1 specs

MSRP

$1,750

$599

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