Seiko Cal. 5657 - 606

The Seiko 5657-606 represents an important milestone in Seiko's 1974 lineup. With its 19mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-c01edbe0c2f7]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Cream

Jewels

33j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1974

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