Seiko Cal. 5633 - 524

This Spring Drive model from 1975 features a 41mm PVD Black case. With its 21mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-abff98492769]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Green

Jewels

28j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1975

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