Seiko Cal. 4578 - 989

This Spring Drive model from 1970 features a 45mm Two-Tone case. It features a Black dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-4fbb2b17edf8]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1970

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