Seiko Cal. 5680 - 664

This Quartz model from 1968 features a 37mm PVD Black case. With its 18mm lug width and 15.5mm profile, it sits comfortably on most wrists. [seikata-wm-5f0aacf3fb42]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Black

Jewels

27j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1968

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