Seiko Cal. 6657 - 193

The Seiko 6657-193 represents an important milestone in Seiko's 1980 lineup. With its 21mm lug width and 13.1mm profile, it sits comfortably on most wrists. [seikata-wm-941533955042]

Also known as: Rally, Crown

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

Burgundy

Jewels

34j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1980

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