Seiko Cal. 4531 - 409

This Automatic model from 1975 features a 43mm PVD Black case. It features a Champagne dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-ed62fcf04867]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

36j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1975

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