Seiko Cal. 4547 - 512

This Spring Drive model from 1969 features a 39mm PVD Black case. It features a White dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-b3cfdc7d420a]

Also known as: Bullhead, Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

11.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

White

Jewels

26j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1969

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