Seiko Cal. 5227 - 620

This Quartz model from 1965 features a 37mm Stainless Steel case. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-db5ff3c89f31]

Also known as: Sumo, Bellmatic

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

8.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1965

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