Which is cheaper, the Sugess Seestern S471 Internal Rotating Bezel or the Spinnaker Dumas GMT?

At MSRP the Sugess Seestern S471 Internal Rotating Bezel is the cheaper of the two at $299, against $399 for the Spinnaker Dumas GMT — a $100 gap before any retailer discounting.

Which is bigger, the Sugess Seestern S471 Internal Rotating Bezel or the Spinnaker Dumas GMT?

The Spinnaker Dumas GMT wears larger at 44mm versus 40mm for the Sugess Seestern S471 Internal Rotating Bezel — a 4mm difference across the dial.

Which has better water resistance, the Sugess Seestern S471 Internal Rotating Bezel or the Spinnaker Dumas GMT?

The Spinnaker Dumas GMT is rated to 300m versus 10m for the Sugess Seestern S471 Internal Rotating Bezel.

Which has a longer power reserve, the Sugess Seestern S471 Internal Rotating Bezel or the Spinnaker Dumas GMT?

The Spinnaker Dumas GMT carries a 40-hour power reserve against 35 hours on the Sugess Seestern S471 Internal Rotating Bezel.

What movement does the Sugess Seestern S471 Internal Rotating Bezel run compared to the Spinnaker Dumas GMT?

Both watches run automatic movements — the Sugess Seestern S471 Internal Rotating Bezel uses the 8215 and the Spinnaker Dumas GMT uses the Seiko NH34A.

Side by side

Sugess Seestern S471 Internal Rotating BezelvsSpinnaker Dumas GMT

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

Sugess Seestern S471 Internal Rotating Bezel

S471

MSRP $299

Spinnaker Dumas GMT

dumas-gmt-automatic-ocean-blue-sp-5119-55

MSRP $399

At a glance

12 of 29 specs differ

Diameter

Seestern S471 Internal Rotating Bezel40mm

Dumas GMT44mm

Power Reserve

Seestern S471 Internal Rotating Bezel35h

Dumas GMT40h

Water Resistance

Seestern S471 Internal Rotating Bezel10m

Dumas GMT300m

MSRP

Seestern S471 Internal Rotating Bezel$299

Dumas GMT$399

Full specifications

Case

7 specs

Movement

4 specs

Caliber

8215

Seiko NH34A

Beat Rate

3 vph

28,800 vph

Power Reserve

35h

40h

Complications

GMT, Chronograph, Moonphase, Date

None

Pricing

1 specs

MSRP

$299

$399

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