What movement does the Seiko Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition run compared to the Straton Syncro MKII Mechanical Chrono?

The Seiko Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition runs a automatic caliber (8R46), while the Straton Syncro MKII Mechanical Chrono runs a manual (Seagull ST19).

Side by side

Seiko Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited EditionvsStraton Straton Syncro MKII Mechanical Chrono

Q: Which is cheaper, the Seiko Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph 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 $3,000 for the Seiko Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition — a $2,401 gap before any retailer discounting.

Q: Which has better water resistance, the Seiko Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition or the Straton Syncro MKII Mechanical Chrono?

The Straton Syncro MKII Mechanical Chrono is rated to 100m versus 10m for the Seiko Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition.

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

Seiko Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition

srq045j1

MSRP $3,000

Straton Straton Syncro MKII Mechanical Chrono

straton-syncro-mkii-mechanical-chrono

MSRP $599

At a glance

17 of 29 specs differ

Diameter

Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition42.5mm

Straton Syncro MKII Mechanical Chrono40mm

Power Reserve

Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition45h

Straton Syncro MKII Mechanical Chrono—

Water Resistance

Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition100m

Straton Syncro MKII Mechanical Chrono100m

MSRP

Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition$3,000

Straton Syncro MKII Mechanical Chrono$599

Full specifications

Case

6 specs

Diameter

42.5mm

40mm

Thickness

15.1mm

12.4mm

Lug-to-Lug

50mm

48mm

Material

Stainless Steel

316L Stainless Steel

Finish

Brushed and polished

—

Caseback

Solid

Sapphire crystal

Crystal & Dial

5 specs

Crystal Shape

Curved

Domed

AR Coating

Anti-reflective coating on inner surface

Underside

Dial Color

Black

—

Indices

Applied

—

Lume

LumiBrite on hands and index(es)

None

Movement

5 specs

Caliber

8R46

Seagull ST19

Type

Automatic

Manual

Beat Rate

28,800 vph

0 vph

Power Reserve

45h

Jewels

Pricing

1 specs

MSRP

$3,000

$599

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