Which is cheaper, the Spinnaker Tesei Forged Carbon or the Seiko 5KX?

At MSRP the Seiko 5KX is the cheaper of the two at $350, against $550 for the Spinnaker Tesei Forged Carbon — a $200 gap before any retailer discounting.

Which is bigger, the Spinnaker Tesei Forged Carbon or the Seiko 5KX?

The Spinnaker Tesei Forged Carbon wears larger at 43mm versus 42.5mm for the Seiko 5KX — a 0.5mm difference across the dial.

Which has better water resistance, the Spinnaker Tesei Forged Carbon or the Seiko 5KX?

The Spinnaker Tesei Forged Carbon is rated to 300m versus 10m for the Seiko 5KX.

Which has a longer power reserve, the Spinnaker Tesei Forged Carbon or the Seiko 5KX?

The Seiko 5KX carries a 41-hour power reserve against 40 hours on the Spinnaker Tesei Forged Carbon.

What movement does the Spinnaker Tesei Forged Carbon run compared to the Seiko 5KX?

Both watches run automatic movements — the Spinnaker Tesei Forged Carbon uses the SII NH35A and the Seiko 5KX uses the 4R36.

Side by side

Spinnaker Tesei Forged CarbonvsSeiko 5KX

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

Spinnaker Tesei Forged Carbon

tesei-forged-carbon-automatic-limited-edition-white-frost-sp-5143-01

MSRP $550

Seiko 5KX

srpd51

MSRP $350

At a glance

12 of 29 specs differ

Diameter

Tesei Forged Carbon43mm

5KX42.5mm

Power Reserve

Tesei Forged Carbon40h

5KX41h

Water Resistance

Tesei Forged Carbon300m

5KX100m

MSRP

Tesei Forged Carbon$550

5KX$350

Full specifications

Case

5 specs

Diameter

43mm

42.5mm

Thickness

16mm

13.4mm

Lug-to-Lug

52mm

46mm

Material

316L Stainless Steel

Stainless Steel

Water Resistance

300m

100m

Crystal & Dial

3 specs

Crystal

Sapphire

Hardlex

Dial Color

White

Black

Lume

None

LumiBrite on hands and index(es)

Movement

3 specs

Caliber

SII NH35A

4R36

Power Reserve

40h

41h

Jewels

Pricing

1 specs

MSRP

$550

$350

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