Seiko Cal. 4477 - 474

This Spring Drive model from 1968 features a 45mm Stainless Steel case. It features a Silver dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-28f9f2e988f6]

Also known as: Helmet, Rally

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Silver

Jewels

26j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1968

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