Seiko Cal. 6657 - 154

Released in 1985, the Cal. 6657 with design code 154 was part of Seiko's domestic market collection. With its 19mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-ba22aafd8e36]

Also known as: Crown

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Cream

Jewels

20j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1985

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