Seiko Cal. 5621 - 691

The Seiko 5621-691 represents an important milestone in Seiko's 1982 lineup. Powered by the 5621 caliber with 31j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-743622b2688a]

Also known as: Pogue

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Cream

Jewels

31j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1982

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