Seiko Cal. 4556 - 372

This Automatic model from 1980 features a 41mm PVD Black case. With its 21mm lug width and 12.3mm profile, it sits comfortably on most wrists. [seikata-wm-0ba4ef687d1c]

Also known as: Monster, Navigator

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

12.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1980

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