Seiko Cal. 5628 - 464

The Seiko 5628-464 represents an important milestone in Seiko's 1967 lineup. With its 21mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-a7fc1fd4aa83]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

Champagne

Jewels

35j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1967

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