Seiko Cal. 5618 - 609

This Spring Drive model from 1972 features a 37mm Two-Tone case. It features a Cream dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-ccb547c0fb30]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

13.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

Cream

Jewels

31j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1972

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