Seiko Cal. 5648 - 816

This Automatic model from 1979 features a 41mm PVD Black case. It features a Black dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-83598f3edbb6]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1979

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