Which is cheaper, the Seiko Prospex Sea or the Sternglas Tachymeter 2.0?

At MSRP the Sternglas Tachymeter 2.0 is the cheaper of the two at $420, against $795 for the Seiko Prospex Sea — a $375 gap before any retailer discounting.

Which is bigger, the Seiko Prospex Sea or the Sternglas Tachymeter 2.0?

The Sternglas Tachymeter 2.0 wears larger at 44mm versus 34mm for the Seiko Prospex Sea — a 10mm difference across the dial.

Which has better water resistance, the Seiko Prospex Sea or the Sternglas Tachymeter 2.0?

The Sternglas Tachymeter 2.0 is rated to 100m versus 20m for the Seiko Prospex Sea.

What movement does the Seiko Prospex Sea run compared to the Sternglas Tachymeter 2.0?

Both watches run quartz movements — the Seiko Prospex Sea uses the 6N01 and the Sternglas Tachymeter 2.0 uses the Seiko TMI VK63 Mecha-Quartz.

Side by side

Seiko Prospex SeavsSternglas Tachymeter 2.0

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

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Seiko Prospex Sea

sur595j1

MSRP $795

Sternglas Tachymeter 2.0

tachymeter-2-dunkelblau

MSRP $420

At a glance

13 of 29 specs differ

Diameter

Prospex Sea34mm

Tachymeter 2.044mm

Power Reserve

Prospex Sea40h

Tachymeter 2.0—

Water Resistance

Prospex Sea200m

Tachymeter 2.0100m

MSRP

Prospex Sea$795

Tachymeter 2.0$420

Full specifications

Case

6 specs

Crystal & Dial

3 specs

AR Coating

Anti-reflective coating on inner surface

Inner

Dial Color

Black

—

Lume

LumiBrite on hands and index(es)

Luminova und applizierten Indizes

Movement

3 specs

Caliber

6N01

Seiko TMI VK63 Mecha-Quartz

Power Reserve

40h

—

Jewels

—

Pricing

1 specs

MSRP

$795

$420

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Seiko Prospex SeavsSternglas Tachymeter 2.0

At a glance

Full specifications

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