Seiko Cal. 5636 - 525

This Automatic model from 1966 features a 40mm Two-Tone case. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-b884dccf1c61]

Also known as: Sea Horse, Arnie

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1966

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