Seiko Cal. 5657 - 898

Released in 1980, the Cal. 5657 with design code 898 was part of Seiko's domestic market collection. The Coin-Edge bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-8af82296aeda]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Champagne

Jewels

34j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1980

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