Seiko Cal. 6657 - 861

The Seiko 6657-861 represents an important milestone in Seiko's 1967 lineup. With its 21mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-ab98065ffc10]

Also known as: Flighty

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Burgundy

Jewels

36j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1967

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