Which is cheaper, the Boldr Marine or the Seiko Prospex Sea?

At MSRP the Boldr Marine is the cheaper of the two at $439, against $595 for the Seiko Prospex Sea — a $156 gap before any retailer discounting.

Which is bigger, the Boldr Marine or the Seiko Prospex Sea?

The Seiko Prospex Sea wears larger at 41.7mm versus 40mm for the Boldr Marine — a 1.7mm difference across the dial.

Which has a longer power reserve, the Boldr Marine or the Seiko Prospex Sea?

The Seiko Prospex Sea carries a 41-hour power reserve against 40 hours on the Boldr Marine.

What movement does the Boldr Marine run compared to the Seiko Prospex Sea?

Both watches run automatic movements — the Boldr Marine uses the NH35A and the Seiko Prospex Sea uses the 4R35.

Side by side

Boldr MarinevsSeiko Prospex Sea

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

Boldr Marine

marine-elewana

MSRP $439

Seiko Prospex Sea

srpl11

MSRP $595

At a glance

11 of 29 specs differ

Diameter

Marine40mm

Prospex Sea41.7mm

Power Reserve

Marine40h

Prospex Sea41h

Water Resistance

Marine200m

Prospex Sea200m

MSRP

Marine$439

Prospex Sea$595

Full specifications

Case

3 specs

Crystal & Dial

4 specs

Crystal

Sapphire

Hardlex

AR Coating

Yes

Inner

Dial Color

Defender Elewana

Black

Lume

Super-LumiNova

LumiBrite on hands, index(es) and bezel

Movement

3 specs

Caliber

NH35A

4R35

Power Reserve

40h

41h

Jewels

Pricing

1 specs

MSRP

$439

$595

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Boldr MarinevsSeiko Prospex Sea

At a glance

Full specifications

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