Seiko Cal. 5657 - 694

The Seiko 5657-694 represents an important milestone in Seiko's 1976 lineup. It features a Cream dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-4bb17003bc38]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

15.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

17j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1976

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