Seiko Cal. 4537 - 433

This Solar model from 1980 features a 34mm PVD Black case. With its 20mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-9260267fb8ac]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

34mm

Case Thickness

8.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Silver

Jewels

36j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1980

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