Seiko Cal. 6388 - 434

This Hand-Winding model from 1974 features a 37mm PVD Black case. With its 21mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-dc8f6c7ed5d2]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

Burgundy

Jewels

19j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1974

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