Which is cheaper, the Zelos Crystallised TI LE or the Seiko Prospex SPEEDTIMER Mechanical Chronograph?

At MSRP the Zelos Crystallised TI LE is the cheaper of the two at $899, against $2,500 for the Seiko Prospex SPEEDTIMER Mechanical Chronograph — a $1,601 gap before any retailer discounting.

Which is bigger, the Zelos Crystallised TI LE or the Seiko Prospex SPEEDTIMER Mechanical Chronograph?

The Zelos Crystallised TI LE wears larger at 44mm versus 42mm for the Seiko Prospex SPEEDTIMER Mechanical Chronograph — a 2mm difference across the dial.

Which has better water resistance, the Zelos Crystallised TI LE or the Seiko Prospex SPEEDTIMER Mechanical Chronograph?

The Zelos Crystallised TI LE is rated to 300m versus 10m for the Seiko Prospex SPEEDTIMER Mechanical Chronograph.

Which has a longer power reserve, the Zelos Crystallised TI LE or the Seiko Prospex SPEEDTIMER Mechanical Chronograph?

The Seiko Prospex SPEEDTIMER Mechanical Chronograph carries a 45-hour power reserve against 40 hours on the Zelos Crystallised TI LE.

What movement does the Zelos Crystallised TI LE run compared to the Seiko Prospex SPEEDTIMER Mechanical Chronograph?

Both watches run automatic movements — the Zelos Crystallised TI LE uses the Seiko NH35 and the Seiko Prospex SPEEDTIMER Mechanical Chronograph uses the 8R48.

Side by side

Zelos Crystallised TI LEvsSeiko Prospex SPEEDTIMER Mechanical Chronograph

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

Zelos Crystallised TI LE

hammerhead-v3-300m-crystallised-ti-limited-edition

MSRP $899

Seiko Prospex SPEEDTIMER Mechanical Chronograph

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MSRP $2,500

At a glance

16 of 29 specs differ

Diameter

Crystallised TI LE44mm

Prospex SPEEDTIMER Mechanical Chronograph42mm

Power Reserve

Crystallised TI LE40h

Prospex SPEEDTIMER Mechanical Chronograph45h

Water Resistance

Crystallised TI LE300m

Prospex SPEEDTIMER Mechanical Chronograph100m

MSRP

Crystallised TI LE$899

Prospex SPEEDTIMER Mechanical Chronograph$2,500

Full specifications

Case

7 specs

Crystal & Dial

5 specs

Crystal

Domed Sapphire

Sapphire

Crystal Shape

Flat

Curved

AR Coating

Inner

Anti-reflective coating on inner surface

Dial Color

Crystallised Ti LE

Black

Lume

None

LumiBrite on hands and index(es)

Movement

3 specs

Caliber

Seiko NH35

8R48

Power Reserve

40h

45h

Jewels

Pricing

1 specs

MSRP

$899

$2,500

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