Seiko Cal. 5671 - 342

Released in 1977, the Cal. 5671 with design code 342 was part of Seiko's domestic market collection. With its 18mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-76ddf7ff9f38]

Also known as: Sumo, Shogun

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1977

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