Which is cheaper, the Seiko Baby Alpinist or the Timefactors Aerotimer?

At MSRP the Timefactors Aerotimer is the cheaper of the two at $416, against $725 for the Seiko Baby Alpinist — a $309 gap before any retailer discounting.

Which is bigger, the Seiko Baby Alpinist or the Timefactors Aerotimer?

The Timefactors Aerotimer wears larger at 42mm versus 38mm for the Seiko Baby Alpinist — a 4mm difference across the dial.

Which has better water resistance, the Seiko Baby Alpinist or the Timefactors Aerotimer?

The Timefactors Aerotimer is rated to 100m versus 20m for the Seiko Baby Alpinist.

What movement does the Seiko Baby Alpinist run compared to the Timefactors Aerotimer?

The Seiko Baby Alpinist runs a automatic caliber (6R35), while the Timefactors Aerotimer runs a mecaquartz (Seiko VK64 (Meca-Quartz)).

Side by side

Seiko Baby AlpinistvsTimefactors Aerotimer

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

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Seiko Baby Alpinist

spb155j1

MSRP $725

Timefactors Aerotimer

precista-prs-45-aerotimer

MSRP $416

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Buy from Timefactors ↗

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At a glance

13 of 29 specs differ

Diameter

Baby Alpinist38mm

Aerotimer42mm

Power Reserve

Baby Alpinist70h

Aerotimer—

Water Resistance

Baby Alpinist200m

Aerotimer100m

MSRP

Baby Alpinist$725

Aerotimer$416

Full specifications

Case

5 specs

Crystal & Dial

3 specs

Crystal Shape

Curved

Flat

AR Coating

Anti-reflective coating on inner surface

Inner

Lume

LumiBrite on hands and index(es)

SuperLuminova C3

Movement

4 specs

Caliber

6R35

Seiko VK64 (Meca-Quartz)

Type

Automatic

Mecaquartz

Power Reserve

70h

—

Jewels

Pricing

1 specs

MSRP

$725

$416

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Seiko Baby AlpinistvsTimefactors Aerotimer

At a glance

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