Which is cheaper, the Lum-Tec B64 Chronograph or the Seiko Alpinist?

At MSRP the Lum-Tec B64 Chronograph is the cheaper of the two at $545, against $750 for the Seiko Alpinist — a $205 gap before any retailer discounting.

Which is bigger, the Lum-Tec B64 Chronograph or the Seiko Alpinist?

The Lum-Tec B64 Chronograph wears larger at 44mm versus 39.5mm for the Seiko Alpinist — a 4.5mm difference across the dial.

Which has better water resistance, the Lum-Tec B64 Chronograph or the Seiko Alpinist?

The Lum-Tec B64 Chronograph is rated to 100m versus 20m for the Seiko Alpinist.

Which has a longer power reserve, the Lum-Tec B64 Chronograph or the Seiko Alpinist?

The Seiko Alpinist carries a 70-hour power reserve against 40 hours on the Lum-Tec B64 Chronograph.

Side by side

Lum-Tec B64 ChronographvsSeiko Alpinist

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

Lum-Tec B64 Chronograph

b64-chronograph

MSRP $545

Seiko Alpinist

spb117j1

MSRP $750

At a glance

15 of 29 specs differ

Diameter

B64 Chronograph44mm

Alpinist39.5mm

Power Reserve

B64 Chronograph40h

Alpinist70h

Water Resistance

B64 Chronograph100m

Alpinist200m

MSRP

B64 Chronograph$545

Alpinist$750

Full specifications

Case

7 specs

Crystal & Dial

4 specs

Crystal

Domed Sapphire

Sapphire

AR Coating

Inner

Anti-reflective coating on inner surface

Dial Color

Standard

Black

Lume

None

LumiBrite on hands and index(es)

Movement

3 specs

Caliber

—

6R35

Power Reserve

40h

70h

Jewels

Pricing

1 specs

MSRP

$545

$750

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Lum-Tec B64 ChronographvsSeiko Alpinist

At a glance

Full specifications

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