Seiko Cal. 0764 - 336

The Seiko 0764-336 represents an important milestone in Seiko's 1978 lineup. It features a White dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-113208431c2a]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

44mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

White

Jewels

25j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1978

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