Which is cheaper, the Chronotechna SeaQuest Dive Nanga Parbat or the Seiko Prospex SPEEDTIMER Mechanical?

At MSRP the Seiko Prospex SPEEDTIMER Mechanical is the cheaper of the two at $995, against $1,500 for the Chronotechna SeaQuest Dive Nanga Parbat — a $505 gap before any retailer discounting.

Which is bigger, the Chronotechna SeaQuest Dive Nanga Parbat or the Seiko Prospex SPEEDTIMER Mechanical?

The Chronotechna SeaQuest Dive Nanga Parbat wears larger at 42mm versus 39.5mm for the Seiko Prospex SPEEDTIMER Mechanical — a 2.5mm difference across the dial.

Which has better water resistance, the Chronotechna SeaQuest Dive Nanga Parbat or the Seiko Prospex SPEEDTIMER Mechanical?

The Chronotechna SeaQuest Dive Nanga Parbat is rated to 300m versus 20m for the Seiko Prospex SPEEDTIMER Mechanical.

Which has a longer power reserve, the Chronotechna SeaQuest Dive Nanga Parbat or the Seiko Prospex SPEEDTIMER Mechanical?

The Seiko Prospex SPEEDTIMER Mechanical carries a 72-hour power reserve against 41 hours on the Chronotechna SeaQuest Dive Nanga Parbat.

What movement does the Chronotechna SeaQuest Dive Nanga Parbat run compared to the Seiko Prospex SPEEDTIMER Mechanical?

Both watches run automatic movements — the Chronotechna SeaQuest Dive Nanga Parbat uses the Sellita SW200-1 and the Seiko Prospex SPEEDTIMER Mechanical uses the 6R55.

Side by side

Chronotechna SeaQuest Dive Nanga ParbatvsSeiko Prospex SPEEDTIMER Mechanical

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

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Chronotechna SeaQuest Dive Nanga Parbat

seaquest-dive-nangaparbat

MSRP $1,500

Seiko Prospex SPEEDTIMER Mechanical

spb513j1

MSRP $995

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At a glance

14 of 29 specs differ

Diameter

SeaQuest Dive Nanga Parbat42mm

Prospex SPEEDTIMER Mechanical39.5mm

Power Reserve

SeaQuest Dive Nanga Parbat41h

Prospex SPEEDTIMER Mechanical72h

Water Resistance

SeaQuest Dive Nanga Parbat300m

Prospex SPEEDTIMER Mechanical200m

MSRP

SeaQuest Dive Nanga Parbat$1,500

Prospex SPEEDTIMER Mechanical$995

Full specifications

Case

7 specs

Crystal & Dial

3 specs

Crystal Shape

Flat

Curved

AR Coating

Inner

Anti-reflective coating on inner surface

Lume

None

LumiBrite on hands and index(es)

Movement

3 specs

Caliber

Sellita SW200-1

6R55

Power Reserve

41h

72h

Jewels

Pricing

1 specs

MSRP

$1,500

$995

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Chronotechna SeaQuest Dive Nanga ParbatvsSeiko Prospex SPEEDTIMER Mechanical

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