Seiko Cal. 5632 - 628

The Seiko 5632-628 represents an important milestone in Seiko's 1977 lineup. With its 21mm lug width and 13.9mm profile, it sits comfortably on most wrists. [seikata-wm-9af934f90b04]

Also known as: Sumo, Silverwave

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1977

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