Seiko Cal. 4535 - 447

This Quartz model from 1978 features a 40mm PVD Black case. With its 19mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-2da101528e6e]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

22j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1978

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