Seiko Cal. 4536 - 254

This Spring Drive model from 1972 features a 35mm PVD Black case. With its 22mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-d81ba8804052]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

12.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1972

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