Seiko Cal. 5639 - 753

This Automatic model from 1967 features a 34mm Stainless Steel case. It features a Cream dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-083476a99c2d]

Also known as: Helmet, Flighty

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

12.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Cream

Jewels

35j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1967

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