Which is cheaper, the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition or the Cincinnati Watch Company Tree Frog?

At MSRP the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition is the cheaper of the two at $1,150, against $1,995 for the Cincinnati Watch Company Tree Frog — a $845 gap before any retailer discounting.

Which is bigger, the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition or the Cincinnati Watch Company Tree Frog?

The Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition wears larger at 39.5mm versus 38mm for the Cincinnati Watch Company Tree Frog — a 1.5mm difference across the dial.

What movement does the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition run compared to the Cincinnati Watch Company Tree Frog?

The Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition runs a automatic caliber (6R55), while the Cincinnati Watch Company Tree Frog runs a manual (Sellita SW210-1).

Side by side

Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited EditionvsCincinnati Watch Company Tree Frog

Q: Which has better water resistance, the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition or the Cincinnati Watch Company Tree Frog?

The Cincinnati Watch Company Tree Frog is rated to 100m versus 20m for the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition.

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

Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition

spb517j1

MSRP $1,150

Cincinnati Watch Company Tree Frog

tree-frog

MSRP $1,995

At a glance

19 of 29 specs differ

Diameter

Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition39.5mm

Tree Frog38mm

Power Reserve

Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition72h

Tree Frog45h

Water Resistance

Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition200m

Tree Frog100m

MSRP

Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition$1,150

Tree Frog$1,995

Full specifications

Case

8 specs

Crystal & Dial

5 specs

Crystal Shape

Curved

Domed

AR Coating

Anti-reflective coating on inner surface

Underside

Dial Color

Black

Silver

Indices

Applied

—

Lume

LumiBrite on hands and index(es)

None

Movement

5 specs

Caliber

6R55

Sellita SW210-1

Type

Automatic

Manual

Beat Rate

28,800 vph

0 vph

Power Reserve

72h

45h

Jewels

Pricing

1 specs

MSRP

$1,150

$1,995

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