Seiko Cal. 5674 - 163

Released in 1984, the Cal. 5674 with design code 163 was part of Seiko's domestic market collection. With its 21mm lug width and 10.3mm profile, it sits comfortably on most wrists. [seikata-wm-7df0716bba6d]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

Silver

Jewels

22j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1984

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