Seiko Cal. 5684 - 301

This Spring Drive model from 1978 features a 43mm PVD Black case. With its 21mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-704aece7bfe0]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1978

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