Seiko Cal. 4472 - 657

This Spring Drive model from 1973 features a 36mm Stainless Steel case. Powered by the 4472 caliber with 35j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-4b2210f0508f]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

11.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

35j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1973

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