Seiko Cal. 4537 - 391

This Quartz model from 1977 features a 46mm PVD Black case. With its 22mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-2e4ded1ef991]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

46mm

Case Thickness

12.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Black

Jewels

25j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1977

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