Which is cheaper, the Seestern S471 Double Crown Diver or the Spinnaker Challenger Automatic?

At MSRP the Seestern S471 Double Crown Diver is the cheaper of the two at $179, against $289 for the Spinnaker Challenger Automatic — a $110 gap before any retailer discounting.

Which is bigger, the Seestern S471 Double Crown Diver or the Spinnaker Challenger Automatic?

The Spinnaker Challenger Automatic wears larger at 42mm versus 38mm for the Seestern S471 Double Crown Diver — a 4mm difference across the dial.

Which has better water resistance, the Seestern S471 Double Crown Diver or the Spinnaker Challenger Automatic?

The Spinnaker Challenger Automatic is rated to 200m versus 100m for the Seestern S471 Double Crown Diver.

Which has a longer power reserve, the Seestern S471 Double Crown Diver or the Spinnaker Challenger Automatic?

The Spinnaker Challenger Automatic carries a 40-hour power reserve against 35h+ hours on the Seestern S471 Double Crown Diver.

What movement does the Seestern S471 Double Crown Diver run compared to the Spinnaker Challenger Automatic?

Both watches run automatic movements — the Seestern S471 Double Crown Diver uses the Miyota 8215 and the Spinnaker Challenger Automatic uses the SII NH35A.

Side by side

Seestern S471 Double Crown DivervsSpinnaker Challenger Automatic

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

Seestern S471 Double Crown Diver

S471

MSRP $179

Spinnaker Challenger Automatic

challenger-automatic-depth-blue-sp-5159-11

MSRP $289

At a glance

11 of 29 specs differ

Diameter

S471 Double Crown Diver38mm

Challenger Automatic42mm

Power Reserve

S471 Double Crown Diver35h+h

Challenger Automatic40h

Water Resistance

S471 Double Crown Diver100m

Challenger Automatic200m

MSRP

S471 Double Crown Diver$179

Challenger Automatic$289

Full specifications

Case

5 specs

Diameter

38mm

42mm

Thickness

12mm

19mm

Lug-to-Lug

40.3mm

49.5mm

Lug Width

20mm

22mm

Water Resistance

100m

200m

Movement

5 specs

Caliber

Miyota 8215

SII NH35A

Beat Rate

3 vph

28,800 vph

Power Reserve

35h+h

40h

Jewels

Complications

Date

None

Pricing

1 specs

MSRP

$179

$289

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