What are the case specifications of the Seiko?

The Seiko features a 40.7mm diameter case with a sapphire crystal crystal.

What is the water resistance of the Seiko?

The Seiko has a water resistance rating of 30m (rain/splash).

What movement does the Seiko use?

The Seiko is powered by a Quartz, caliber 7N39.

Seiko SKP398P1

Quartz

Ref. SKP398P1

Case size: 40.7mmMovement: 7N39

The Seiko reference SKP398P1 has a case measuring 40.7 mm across. The case carries a water-resistance rating of 30 metres. The movement is quartz calibre 7N39, which has a battery life of approximately 60 months. The dial is covered by a crystal made from sapphire. The movement has an accuracy of minus 15 to plus 15 seconds per month. The strap is made from leather and closes with a pin buckle.

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Last updated 9 Oct 2026Suggest a correction