Seiko Cal. 4571 - 587

This Spring Drive model from 1971 features a 40mm Gold-Plated case. It features a Black dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-575e4fc1aa19]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

15.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Black

Jewels

23j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1971

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