Seiko Cal. 5621 - 912

The 5621-912 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5621 caliber with 27j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-aa26f30c08d9]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

27j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1970

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