Seiko Cal. 6663 - 657

The Seiko 6663-657 represents an important milestone in Seiko's 1996 lineup. With its 18mm lug width and 13.7mm profile, it sits comfortably on most wrists. [seikata-wm-c49b3bb1a885]

Also known as: Bellmatic, Navigator

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

White

Jewels

28j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1996

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