Seiko Cal. 5639 - 356

This Automatic model from 1974 features a 35mm Two-Tone case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-c65f0015ae1c]

Also known as: Turtle, Bellmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1974

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