Seiko Cal. 6645 - 278

This Automatic model from 1967 features a 38mm PVD Black case. With its 18mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-b941d1fe0a20]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

38mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

White

Jewels

20j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1967

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