Which is cheaper, the Seiko Baby Alpinist or the Spinnaker Tesei Titanium?

At MSRP the Spinnaker Tesei Titanium is the cheaper of the two at $625, against $725 for the Seiko Baby Alpinist — a $100 gap before any retailer discounting.

Which is bigger, the Seiko Baby Alpinist or the Spinnaker Tesei Titanium?

The Spinnaker Tesei Titanium 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 Spinnaker Tesei Titanium?

The Spinnaker Tesei Titanium is rated to 200m versus 20m for the Seiko Baby Alpinist.

Which has a longer power reserve, the Seiko Baby Alpinist or the Spinnaker Tesei Titanium?

The Seiko Baby Alpinist carries a 70-hour power reserve against 40 hours on the Spinnaker Tesei Titanium.

What movement does the Seiko Baby Alpinist run compared to the Spinnaker Tesei Titanium?

Both watches run automatic movements — the Seiko Baby Alpinist uses the 6R35 and the Spinnaker Tesei Titanium uses the SII NH35A.

Side by side

Seiko Baby AlpinistvsSpinnaker Tesei Titanium

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

Seiko Baby Alpinist

spb155j1

MSRP $725

Spinnaker Tesei Titanium

tesei-titanium-automatic-matte-black-sp-5084-11

MSRP $625

At a glance

13 of 29 specs differ

Diameter

Baby Alpinist38mm

Tesei Titanium42mm

Power Reserve

Baby Alpinist70h

Tesei Titanium40h

Water Resistance

Baby Alpinist200m

Tesei Titanium200m

MSRP

Baby Alpinist$725

Tesei Titanium$625

Full specifications

Case

6 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

SII NH35A

Power Reserve

70h

40h

Jewels

Pricing

1 specs

MSRP

$725

$625

Follow this matchup

Get a note when Seiko Baby Alpinist vs Spinnaker Tesei Titanium gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Boldrmicro

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.

Boldr Five-in-a-RowvsSpinnaker Tesei Titanium Borealis Watch Co. Bull Shark V2vsSpinnaker Tesei Titanium Spinnaker Tesei TitaniumvsVaer D5 Meridian Auto Boldr Merlion 50th AnniversaryvsSpinnaker Tesei Titanium Phoibos Eagle RayvsSeiko Baby Alpinist Phoibos Wave MastervsSeiko Baby Alpinist

Edit this comparison Add another watch Explore more 37–43mm watches

Seiko Baby AlpinistvsSpinnaker Tesei Titanium

At a glance

Full specifications

Follow this matchup

More watches worth a look

Five-in-a-Row

Eagle Ray

Bull Shark V2

Wave Master

D5 Meridian Auto

Great White 43

Merlion 50th Anniversary

Hull Diver

People also compared