Seiko Cal. 6656 - 408

The Seiko 6656-408 represents an important milestone in Seiko's 1993 lineup. With its 18mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-99c8dd6ab5cb]

Also known as: Sumo, Helmet

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

19j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1993

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