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

At MSRP the Boldr Odyssey 40mm is the cheaper of the two at $799, against $2,500 for the Seiko Prospex SPEEDTIMER Mechanical Chronograph — a $1,701 gap before any retailer discounting.

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

The Seiko Prospex SPEEDTIMER Mechanical Chronograph wears larger at 42mm versus 40mm for the Boldr Odyssey 40mm — a 2mm difference across the dial.

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

The Boldr Odyssey 40mm is rated to 300m versus 10m for the Seiko Prospex SPEEDTIMER Mechanical Chronograph.

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

The Seiko Prospex SPEEDTIMER Mechanical Chronograph carries a 45-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 Chronograph?

Both watches run automatic movements — the Boldr Odyssey 40mm uses the Miyota and the Seiko Prospex SPEEDTIMER Mechanical Chronograph uses the 8R48.

Side by side

Boldr Odyssey 40mmvsSeiko Prospex SPEEDTIMER Mechanical Chronograph

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 Chronograph

srq047j1

MSRP $2,500

At a glance

14 of 29 specs differ

Diameter

Odyssey 40mm40mm

Prospex SPEEDTIMER Mechanical Chronograph42mm

Power Reserve

Odyssey 40mm42h

Prospex SPEEDTIMER Mechanical Chronograph45h

Water Resistance

Odyssey 40mm300m

Prospex SPEEDTIMER Mechanical Chronograph100m

MSRP

Odyssey 40mm$799

Prospex SPEEDTIMER Mechanical Chronograph$2,500

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

8R48

Power Reserve

42h

45h

Jewels

Pricing

1 specs

MSRP

$799

$2,500

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