Seiko Cal. 4578 - 592

This Spring Drive model from 1970 features a 36mm PVD Black case. It features a Cream dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-a154211cecab]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

14.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

23j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1970

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