Seiko Cal. 5644 - 143

This Spring Drive model from 1987 features a 38mm PVD Black case. With its 19mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-42e181d856d1]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Burgundy

Jewels

26j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1987

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