Which is cheaper, the Boldr Odyssey 40mm or the Seiko Prospex SPEEDTIMER Mechanical?

At MSRP the Boldr Odyssey 40mm is the cheaper of the two at $799, against $995 for the Seiko Prospex SPEEDTIMER Mechanical — a $196 gap before any retailer discounting.

Which is bigger, the Boldr Odyssey 40mm or the Seiko Prospex SPEEDTIMER Mechanical?

The Boldr Odyssey 40mm wears larger at 40mm versus 39.5mm for the Seiko Prospex SPEEDTIMER Mechanical — a 0.5mm difference across the dial.

Which has better water resistance, the Boldr Odyssey 40mm or the Seiko Prospex SPEEDTIMER Mechanical?

The Boldr Odyssey 40mm is rated to 300m versus 20m for the Seiko Prospex SPEEDTIMER Mechanical.

Which has a longer power reserve, the Boldr Odyssey 40mm or the Seiko Prospex SPEEDTIMER Mechanical?

The Seiko Prospex SPEEDTIMER Mechanical carries a 72-hour power reserve against 42 hours on the Boldr Odyssey 40mm.

What movement does the Boldr Odyssey 40mm run compared to the Seiko Prospex SPEEDTIMER Mechanical?

Both watches run automatic movements — the Boldr Odyssey 40mm uses the Miyota and the Seiko Prospex SPEEDTIMER Mechanical uses the 6R55.

Side by side

Boldr Odyssey 40mmvsSeiko Prospex SPEEDTIMER Mechanical

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

Boldr Odyssey 40mm

odyssey-aurora

MSRP $799

Seiko Prospex SPEEDTIMER Mechanical

spb513j1

MSRP $995

At a glance

14 of 29 specs differ

Diameter

Odyssey 40mm40mm

Prospex SPEEDTIMER Mechanical39.5mm

Power Reserve

Odyssey 40mm42h

Prospex SPEEDTIMER Mechanical72h

Water Resistance

Odyssey 40mm300m

Prospex SPEEDTIMER Mechanical200m

MSRP

Odyssey 40mm$799

Prospex SPEEDTIMER Mechanical$995

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

6R55

Power Reserve

42h

72h

Jewels

Pricing

1 specs

MSRP

$799

$995

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