Which is cheaper, the Mark Time Watches M 1.2 or the Seiko Prospex Sea?

At MSRP the Mark Time Watches M 1.2 is the cheaper of the two at $345, against $900 for the Seiko Prospex Sea — a $555 gap before any retailer discounting.

Which is bigger, the Mark Time Watches M 1.2 or the Seiko Prospex Sea?

The Mark Time Watches M 1.2 wears larger at 42mm versus 41mm for the Seiko Prospex Sea — a 1mm difference across the dial.

Which has better water resistance, the Mark Time Watches M 1.2 or the Seiko Prospex Sea?

The Seiko Prospex Sea is rated to 200m versus 100m for the Mark Time Watches M 1.2.

What movement does the Mark Time Watches M 1.2 run compared to the Seiko Prospex Sea?

Both watches run automatic movements — the Mark Time Watches M 1.2 uses the Miyota 9039 and the Seiko Prospex Sea uses the 6R35.

Side by side

Mark Time Watches M 1.2vsSeiko Prospex Sea

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

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Mark Time Watches M 1.2

m-1-2

MSRP $345

Seiko Prospex Sea

spb317j1

MSRP $900

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At a glance

14 of 29 specs differ

Diameter

M 1.242mm

Prospex Sea41mm

Power Reserve

M 1.2—

Prospex Sea70h

Water Resistance

M 1.2100m

Prospex Sea200m

MSRP

M 1.2$345

Prospex Sea$900

Full specifications

Case

6 specs

Crystal & Dial

4 specs

Crystal Shape

Flat

Curved

AR Coating

Inner

Anti-reflective coating on inner surface

Dial Color

—

Black

Lume

None

LumiBrite on hands, index(es) and bezel

Movement

3 specs

Caliber

Miyota 9039

6R35

Power Reserve

—

70h

Jewels

Pricing

1 specs

MSRP

$345

$900

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Mark Time Watches M 1.2vsSeiko Prospex Sea

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