Seiko Cal. 5621 - 928

Released in 1978, the Cal. 5621 with design code 928 was part of Seiko's domestic market collection. With its 18mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-418cc3893ec5]

Also known as: UFO

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Navy

Jewels

36j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1978

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