Seiko Cal. 4470 - 655

This Spring Drive model from 1968 features a 43mm PVD Black case. It features a Silver dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-7931cd7b8a5a]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Silver

Jewels

35j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1968

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