Seiko Cal. 4521 - 464

This Quartz model from 1976 features a 38mm PVD Black case. With its 21mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-b5ba7bf51b47]

Also known as: Sportsmatic, Bellmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

38mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Black

Jewels

29j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1976

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