Which is cheaper, the Seiko Baby Alpinist or the Wren Diver One Aqua?

At MSRP the Seiko Baby Alpinist is the cheaper of the two at $725, against $965 for the Wren Diver One Aqua — a $240 gap before any retailer discounting.

Which is bigger, the Seiko Baby Alpinist or the Wren Diver One Aqua?

The Wren Diver One Aqua wears larger at 41mm versus 38mm for the Seiko Baby Alpinist — a 3mm difference across the dial.

Which has better water resistance, the Seiko Baby Alpinist or the Wren Diver One Aqua?

The Wren Diver One Aqua is rated to 200m versus 20m for the Seiko Baby Alpinist.

Which has a longer power reserve, the Seiko Baby Alpinist or the Wren Diver One Aqua?

The Seiko Baby Alpinist carries a 70-hour power reserve against 38 hours on the Wren Diver One Aqua.

What movement does the Seiko Baby Alpinist run compared to the Wren Diver One Aqua?

Both watches run automatic movements — the Seiko Baby Alpinist uses the 6R35 and the Wren Diver One Aqua uses the Sellita SW200-1.

Side by side

Seiko Baby AlpinistvsWren Diver One Aqua

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

Add a watch

Seiko Baby Alpinist

spb155j1

MSRP $725

Wren Diver One Aqua

wren-diver-one-aqua

MSRP $965

At a glance

12 of 29 specs differ

Diameter

Baby Alpinist38mm

Diver One Aqua41mm

Power Reserve

Baby Alpinist70h

Diver One Aqua38h

Water Resistance

Baby Alpinist200m

Diver One Aqua200m

MSRP

Baby Alpinist$725

Diver One Aqua$965

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)

None

Movement

3 specs

Caliber

6R35

Sellita SW200-1

Power Reserve

70h

38h

Jewels

Pricing

1 specs

MSRP

$725

$965

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Seiko Baby AlpinistvsWren Diver One Aqua

At a glance

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