Seiko Cal. 5628 - 578

Released in 1972, the Cal. 5628 with design code 578 was part of Seiko's domestic market collection. With its 19mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-a60afa242bbb]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Cream

Jewels

23j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1972

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