Seiko Cal. 5621 - 972

Released in 1990, the Cal. 5621 with design code 972 was part of Seiko's domestic market collection. Powered by the 5621 caliber with 22j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-e05ecedde8ec]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Champagne

Jewels

22j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1990

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