Seiko Cal. 5621 - 891

The Seiko 5621-891 represents an important milestone in Seiko's 1971 lineup. Powered by the 5621 caliber with 25j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-2a812f871f0e]

Also known as: Flighty

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Green

Jewels

25j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1971

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