Which is cheaper, the Boldr Marine or the Seiko Prospex SPEEDTIMER Mechanical Chronograph?

At MSRP the Boldr Marine is the cheaper of the two at $439, against $2,500 for the Seiko Prospex SPEEDTIMER Mechanical Chronograph — a $2,061 gap before any retailer discounting.

Which is bigger, the Boldr Marine or the Seiko Prospex SPEEDTIMER Mechanical Chronograph?

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

Which has better water resistance, the Boldr Marine or the Seiko Prospex SPEEDTIMER Mechanical Chronograph?

The Boldr Marine is rated to 200m versus 10m for the Seiko Prospex SPEEDTIMER Mechanical Chronograph.

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

The Seiko Prospex SPEEDTIMER Mechanical Chronograph carries a 45-hour power reserve against 40 hours on the Boldr Marine.

What movement does the Boldr Marine run compared to the Seiko Prospex SPEEDTIMER Mechanical Chronograph?

Both watches run automatic movements — the Boldr Marine uses the NH35A and the Seiko Prospex SPEEDTIMER Mechanical Chronograph uses the 8R48.

Side by side

Boldr MarinevsSeiko Prospex SPEEDTIMER Mechanical Chronograph

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

Boldr Marine

marine-elewana

MSRP $439

Seiko Prospex SPEEDTIMER Mechanical Chronograph

srq047j1

MSRP $2,500

At a glance

13 of 29 specs differ

Diameter

Marine40mm

Prospex SPEEDTIMER Mechanical Chronograph42mm

Power Reserve

Marine40h

Prospex SPEEDTIMER Mechanical Chronograph45h

Water Resistance

Marine200m

Prospex SPEEDTIMER Mechanical Chronograph100m

MSRP

Marine$439

Prospex SPEEDTIMER Mechanical Chronograph$2,500

Full specifications

Case

5 specs

Crystal & Dial

4 specs

Crystal Shape

Flat

Curved

AR Coating

Yes

Anti-reflective coating on inner surface

Dial Color

Defender Elewana

Black

Lume

Super-LumiNova

LumiBrite on hands and index(es)

Movement

3 specs

Caliber

NH35A

8R48

Power Reserve

40h

45h

Jewels

Pricing

1 specs

MSRP

$439

$2,500

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