Seiko Cal. 5618 - 572

This Spring Drive model from 1970 features a 37mm PVD Black case. Powered by the 5618 caliber with 31j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-f8e73d71d5b1]

Also known as: Sea Horse, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

White

Jewels

31j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1970

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