Seiko Cal. 0713 - 697

This Quartz model from 1975 features a 37mm Hardlex-Coated Steel case. With its 21mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-c9a0e2973c0a]

Also known as: Monster, Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Champagne

Jewels

35j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1975

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