Seiko Cal. 5657 - 622

This Spring Drive model from 1995 features a 39mm Two-Tone case. Powered by the 5657 caliber with 26j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-a17ee6353774]

Also known as: Helmet, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Cream

Jewels

26j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1995

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