Which is cheaper, the Grand Seiko SLGA015 or the Straton Syncro MKII Mechanical Chrono?

At MSRP the Straton Syncro MKII Mechanical Chrono is the cheaper of the two at $599, against $12,600 for the Grand Seiko SLGA015 — a $12,001 gap before any retailer discounting.

Which is bigger, the Grand Seiko SLGA015 or the Straton Syncro MKII Mechanical Chrono?

The Grand Seiko SLGA015 wears larger at 43.8mm versus 40mm for the Straton Syncro MKII Mechanical Chrono — a 3.8mm difference across the dial.

Which has better water resistance, the Grand Seiko SLGA015 or the Straton Syncro MKII Mechanical Chrono?

The Grand Seiko SLGA015 is rated to 200m versus 100m for the Straton Syncro MKII Mechanical Chrono.

What movement does the Grand Seiko SLGA015 run compared to the Straton Syncro MKII Mechanical Chrono?

The Grand Seiko SLGA015 runs a spring drive caliber (9RA5), while the Straton Syncro MKII Mechanical Chrono runs a manual (Seagull ST19).

Side by side

Grand Seiko SLGA015vsStraton Straton Syncro MKII Mechanical Chrono

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

Grand Seiko SLGA015

slga015g

MSRP $12,600

Straton Straton Syncro MKII Mechanical Chrono

straton-syncro-mkii-mechanical-chrono

MSRP $599

At a glance

19 of 29 specs differ

Diameter

SLGA01543.8mm

Straton Syncro MKII Mechanical Chrono40mm

Power Reserve

SLGA015120h

Straton Syncro MKII Mechanical Chrono—

Water Resistance

SLGA015200m

Straton Syncro MKII Mechanical Chrono100m

MSRP

SLGA015$12,600

Straton Syncro MKII Mechanical Chrono$599

Full specifications

Case

9 specs

Crystal & Dial

4 specs

Crystal Shape

Flat

Domed

AR Coating

Yes

Underside

Dial Color

Black

—

Indices

Applied

—

Movement

5 specs

Caliber

9RA5

Seagull ST19

Type

Spring Drive

Manual

Beat Rate

28,800 vph

0 vph

Power Reserve

120h

Jewels

Pricing

1 specs

MSRP

$12,600

$599

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