Seiko Cal. 5641 - 928

Released in 1985, the Cal. 5641 with design code 928 was part of Seiko's domestic market collection. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-ae762ac27845]

Also known as: Silverwave, Bellmatic

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

35j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1985

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