Seiko Cal. 6656 - 267

This Spring Drive model from 1991 features a 38mm Titanium case. With its 21mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-8e6b499a8fd5]

Also known as: Sumo, Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

White

Jewels

33j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1991

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