Seiko Cal. 0713 - 987

The Seiko 0713-987 represents an important milestone in Seiko's 1978 lineup. It features a Black dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-4fa31d1745a8]

Also known as: Tuna, Rally

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Black

Jewels

35j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1978

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