Seiko Cal. 4539 - 234

This Spring Drive model from 1969 features a 40mm PVD Black case. With its 21mm lug width and 11.6mm profile, it sits comfortably on most wrists. [seikata-wm-742157e67c71]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

33j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1969

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