Seiko Cal. 0764 - 856

This Quartz model from 1979 features a 40mm Two-Tone case. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-e123d565042b]

Also known as: Samurai, Sumo

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1979

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