Seiko Cal. 5621 - 912

This Spring Drive model from 1970 features a 43mm Stainless Steel case. It features a Cream dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-3a779fdbcc03]

Also known as: Monster, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

Cream

Jewels

33j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1970

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