Seiko Cal. 6648 - 861

Released in 1990, the Cal. 6648 with design code 861 was part of Seiko's domestic market collection. With its 18mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-acf3bb946ea9]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Silver

Jewels

25j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1990

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