Which is cheaper, the Sternglas Tachymeter or the Timefactors PRS-40?

At MSRP the Sternglas Tachymeter is the cheaper of the two at $312, against $315 for the Timefactors PRS-40 — a $3 gap before any retailer discounting.

Which is bigger, the Sternglas Tachymeter or the Timefactors PRS-40?

The Sternglas Tachymeter wears larger at 42mm versus 40.2mm for the Timefactors PRS-40 — a 1.8mm difference across the dial.

Which has better water resistance, the Sternglas Tachymeter or the Timefactors PRS-40?

The Timefactors PRS-40 is rated to 100m versus 50m for the Sternglas Tachymeter.

What movement does the Sternglas Tachymeter run compared to the Timefactors PRS-40?

The Sternglas Tachymeter runs a quartz caliber (Miyota 0S20), while the Timefactors PRS-40 runs a mecaquartz (Seiko VK61).

Side by side

Sternglas TachymetervsTimefactors PRS-40

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

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Sternglas Tachymeter

tachymeter-blau-modena-grun

MSRP $312

Timefactors PRS-40

smiths-prs-40-chronograph

MSRP $315

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At a glance

13 of 29 specs differ

Diameter

Tachymeter42mm

PRS-4040.2mm

Power Reserve

Tachymeter—

PRS-4040h

Water Resistance

Tachymeter50m

PRS-40100m

MSRP

Tachymeter$312

PRS-40$315

Full specifications

Case

6 specs

Crystal & Dial

2 specs

Dial Color

—

Black

Lume

None

SuperLuminova C3

Movement

4 specs

Caliber

Miyota 0S20

Seiko VK61

Type

Quartz

Mecaquartz

Power Reserve

—

40h

Jewels

—

Pricing

1 specs

MSRP

$312

$315

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