Side by side

Casio EFB-730DvsUndone ZEN CARTOGRAPH: MK-1 PROTOTYPE

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

EFB-730D

EFB-730D

MSRP $165

See the full EFB-730D

ZEN CARTOGRAPH: MK-1 PROTOTYPE

Undone ZEN CARTOGRAPH: MK-1 PROTOTYPE

MSRP $199

See the full ZEN CARTOGRAPH: MK-1 PROTOTYPE

Buy from Casio ↗

Buy used on eBay ↗

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Buy used on eBay ↗

At a glance

11 of 29 specs differ

Diameter

EFB-730D40mm

ZEN CARTOGRAPH: MK-1 PROTOTYPE40mm

Power Reserve

EFB-730D—

ZEN CARTOGRAPH: MK-1 PROTOTYPE—

Water Resistance

EFB-730D100m

ZEN CARTOGRAPH: MK-1 PROTOTYPE50m

MSRP

EFB-730D$165

ZEN CARTOGRAPH: MK-1 PROTOTYPE$199

Full specifications

Case

6 specs

Category

Chronograph

—

Thickness

11mm

0mm

Lug-to-Lug

47mm

0mm

Lug Width

—

0mm

Finish

—

—

Water Resistance

100m

50m

Crystal & Dial

3 specs

Crystal

Sapphire

—

AR Coating

No

—

Dial Color

Black

—

Movement

1 specs

Caliber

—

Seiko 9F68

Pricing

1 specs

MSRP

$165

$199

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