Which is cheaper, the Lum-Tec M94 Bronze or the Seiko Prospex SPEEDTIMER Mechanical Chronograph?

At MSRP the Lum-Tec M94 Bronze is the cheaper of the two at $999, against $2,500 for the Seiko Prospex SPEEDTIMER Mechanical Chronograph — a $1,501 gap before any retailer discounting.

Which is bigger, the Lum-Tec M94 Bronze or the Seiko Prospex SPEEDTIMER Mechanical Chronograph?

The Lum-Tec M94 Bronze 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 Lum-Tec M94 Bronze or the Seiko Prospex SPEEDTIMER Mechanical Chronograph?

The Lum-Tec M94 Bronze is rated to 200m versus 10m for the Seiko Prospex SPEEDTIMER Mechanical Chronograph.

Which has a longer power reserve, the Lum-Tec M94 Bronze or the Seiko Prospex SPEEDTIMER Mechanical Chronograph?

The Seiko Prospex SPEEDTIMER Mechanical Chronograph carries a 45-hour power reserve against 40 hours on the Lum-Tec M94 Bronze.

What movement does the Lum-Tec M94 Bronze run compared to the Seiko Prospex SPEEDTIMER Mechanical Chronograph?

Both watches run automatic movements — the Lum-Tec M94 Bronze uses the Miyota 9075 and the Seiko Prospex SPEEDTIMER Mechanical Chronograph uses the 8R48.

Side by side

Lum-Tec M94 BronzevsSeiko Prospex SPEEDTIMER Mechanical Chronograph

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

Lum-Tec M94 Bronze

m94d-bronze-pre-order

MSRP $999

Seiko Prospex SPEEDTIMER Mechanical Chronograph

srq047j1

MSRP $2,500

At a glance

16 of 29 specs differ

Diameter

M94 Bronze44mm

Prospex SPEEDTIMER Mechanical Chronograph42mm

Power Reserve

M94 Bronze40h

Prospex SPEEDTIMER Mechanical Chronograph45h

Water Resistance

M94 Bronze200m

Prospex SPEEDTIMER Mechanical Chronograph100m

MSRP

M94 Bronze$999

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

Bronze

Black

Lume

None

LumiBrite on hands and index(es)

Movement

3 specs

Caliber

Miyota 9075

8R48

Power Reserve

40h

45h

Jewels

Pricing

1 specs

MSRP

$999

$2,500

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