Which is cheaper, the Lum-Tec B64 Chronograph or the Seestern S471 Double Crown Diver?

At MSRP the Seestern S471 Double Crown Diver is the cheaper of the two at $179, against $545 for the Lum-Tec B64 Chronograph — a $366 gap before any retailer discounting.

Which is bigger, the Lum-Tec B64 Chronograph or the Seestern S471 Double Crown Diver?

The Lum-Tec B64 Chronograph wears larger at 44mm versus 38mm for the Seestern S471 Double Crown Diver — a 6mm difference across the dial.

Which has a longer power reserve, the Lum-Tec B64 Chronograph or the Seestern S471 Double Crown Diver?

The Seestern S471 Double Crown Diver carries a 35h+-hour power reserve against 40 hours on the Lum-Tec B64 Chronograph.

Side by side

Lum-Tec B64 ChronographvsSeestern S471 Double Crown Diver

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

Lum-Tec B64 Chronograph

b64-chronograph

MSRP $545

Seestern S471 Double Crown Diver

S471

MSRP $179

At a glance

14 of 29 specs differ

Diameter

B64 Chronograph44mm

S471 Double Crown Diver38mm

Power Reserve

B64 Chronograph40h

S471 Double Crown Diver35h+h

Water Resistance

B64 Chronograph100m

S471 Double Crown Diver100m

MSRP

B64 Chronograph$545

S471 Double Crown Diver$179

Full specifications

Case

6 specs

Crystal & Dial

2 specs

Crystal

Domed Sapphire

Sapphire

Dial Color

Standard

Blue

Movement

5 specs

Caliber

—

Miyota 8215

Beat Rate

28,800 vph

3 vph

Power Reserve

40h

35h+h

Jewels

Complications

None

Date

Pricing

1 specs

MSRP

$545

$179

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