Seiko Cal. 5230 - 148

This Automatic model from 1971 features a 35mm PVD Black case. With its 20mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-810c1ca98ac5]

Also known as: Monster, Helmet

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1971

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