Which has better water resistance, the Lum-Tec B68 Day Date or the Seiko Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition?

The Lum-Tec B68 Day Date is rated to 200m versus 10m for the Seiko Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition.

What movement does the Lum-Tec B68 Day Date run compared to the Seiko Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition?

Both watches run quartz movements — the Lum-Tec B68 Day Date uses the Ronda 515 and the Seiko Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition uses the 5X83.

Side by side

Lum-Tec B68 Day DatevsSeiko Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition

Q: Which is cheaper, the Lum-Tec B68 Day Date or the Seiko Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition?

At MSRP the Lum-Tec B68 Day Date is the cheaper of the two at $595, against $2,400 for the Seiko Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition — a $1,805 gap before any retailer discounting.

Q: Which is bigger, the Lum-Tec B68 Day Date or the Seiko Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition?

The Lum-Tec B68 Day Date wears larger at 44mm versus 42mm for the Seiko Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition — a 2mm difference across the dial.

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

Lum-Tec B68 Day Date

combat-b68

MSRP $595

Seiko Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition

ssh169j1

MSRP $2,400

At a glance

15 of 29 specs differ

Diameter

B68 Day Date44mm

Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition42mm

Power Reserve

B68 Day Date40h

Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition40h

Water Resistance

B68 Day Date200m

Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition100m

MSRP

B68 Day Date$595

Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition$2,400

Full specifications

Case

7 specs

Crystal & Dial

5 specs

Crystal

Domed Sapphire

Sapphire

Crystal Shape

Flat

Curved

AR Coating

Inner

Super-clear coating

Dial Color

B68 Day Date

Black

Lume

None

LumiBrite on hands and index(es)

Movement

2 specs

Caliber

Ronda 515

5X83

Jewels

Pricing

1 specs

MSRP

$595

$2,400

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