Seiko Cal. 5621 - 416

The Seiko 5621-416 represents an important milestone in Seiko's 1981 lineup. Powered by the 5621 caliber with 30j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-fe183ac18f34]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

37mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1981

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