Which is cheaper, the Boldr Odyssey 40mm or the Seiko Baby Alpinist?

At MSRP the Seiko Baby Alpinist is the cheaper of the two at $725, against $799 for the Boldr Odyssey 40mm — a $74 gap before any retailer discounting.

Which is bigger, the Boldr Odyssey 40mm or the Seiko Baby Alpinist?

The Boldr Odyssey 40mm wears larger at 40mm versus 38mm for the Seiko Baby Alpinist — a 2mm difference across the dial.

Which has better water resistance, the Boldr Odyssey 40mm or the Seiko Baby Alpinist?

The Boldr Odyssey 40mm is rated to 300m versus 20m for the Seiko Baby Alpinist.

Which has a longer power reserve, the Boldr Odyssey 40mm or the Seiko Baby Alpinist?

The Seiko Baby Alpinist carries a 70-hour power reserve against 42 hours on the Boldr Odyssey 40mm.

What movement does the Boldr Odyssey 40mm run compared to the Seiko Baby Alpinist?

Both watches run automatic movements — the Boldr Odyssey 40mm uses the Miyota and the Seiko Baby Alpinist uses the 6R35.

Side by side

Boldr Odyssey 40mmvsSeiko Baby Alpinist

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

Boldr Odyssey 40mm

odyssey-aurora

MSRP $799

Seiko Baby Alpinist

spb155j1

MSRP $725

At a glance

14 of 29 specs differ

Diameter

Odyssey 40mm40mm

Baby Alpinist38mm

Power Reserve

Odyssey 40mm42h

Baby Alpinist70h

Water Resistance

Odyssey 40mm300m

Baby Alpinist200m

MSRP

Odyssey 40mm$799

Baby Alpinist$725

Full specifications

Case

6 specs

Crystal & Dial

4 specs

Crystal Shape

Flat

Curved

AR Coating

Yes

Anti-reflective coating on inner surface

Dial Color

Aurora

Black

Lume

Super-LumiNova

LumiBrite on hands and index(es)

Movement

3 specs

Caliber

Miyota

6R35

Power Reserve

42h

70h

Jewels

Pricing

1 specs

MSRP

$799

$725

Follow this matchup

Get a note when Boldr Odyssey 40mm vs Seiko Baby Alpinist 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.

Balticmicro

Adjacent matchups

People also compared

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

Baltic Aquascaphe TitaniumvsSeiko Baby Alpinist Boldr Odyssey FreedivervsSeiko Baby Alpinist Borealis Watch Co. Porto CovovsSeiko Baby Alpinist Seiko Baby AlpinistvsZelos Blacktip 200m Ti Boldr Five-in-a-RowvsBoldr Odyssey 40mm Borealis Watch Co. Bull Shark V2vsBoldr Odyssey 40mm

Edit this comparison Add another watch Explore more 37–41mm watches

Boldr Odyssey 40mmvsSeiko Baby Alpinist

At a glance

Full specifications

Follow this matchup

More watches worth a look

Aquascaphe Titanium

Five-in-a-Row

Porto Covo

Bull Shark V2

Blacktip 200m Ti

D5 Meridian Auto

Sea-Hunter Dive Watch

Marine

People also compared