Seiko Cal. 4578 - 162

This Spring Drive model from 1978 features a 39mm Gold-Plated case. Powered by the 4578 caliber with 25j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-104cf2893a30]

Also known as: Turtle, Bullhead

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

13.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Black

Jewels

25j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1978

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