Seiko Cal. 5697 - 644

Released in 1980, the Cal. 5697 with design code 644 was part of Seiko's domestic market collection. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-01ad0b4da6ea]

Also known as: Silverwave, World Timer

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1980

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