Seiko Cal. 0797 - 399

The Seiko 0797-399 represents an important milestone in Seiko's 1971 lineup. The Fixed bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-fdcdcc1fa2f0]

Also known as: Sumo, Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Silver

Jewels

26j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1971

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