Seiko Cal. 4546 - 678

This Spring Drive model from 1971 features a 34mm PVD Black case. It features a Black dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-079c258e680e]

Also known as: Bellmatic, Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Black

Jewels

17j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1971

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