Seiko Cal. 6657 - 140

The Seiko 6657-140 represents an important milestone in Seiko's 1996 lineup. With its 19mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-ad76fd02a806]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

46mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

White

Jewels

19j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1996

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