Seiko Cal. 6661 - 856

The Seiko 6661-856 represents an important milestone in Seiko's 1996 lineup. With its 18mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-99c32335b107]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1996

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