Seiko Cal. 4478 - 224

This Spring Drive model from 1979 features a 38mm Stainless Steel case. It features a Silver dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-dcc2a9df78c2]

Also known as: Monster, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

34j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1979

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