Seiko Cal. 5657 - 221

This Hand-Winding model from 1991 features a 38mm Stainless Steel case. The Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-0b5066926bd4]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

26j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1991

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