Seiko Cal. 5621 - 615

The Seiko 5621-615 represents an important milestone in Seiko's 1970 lineup. Powered by the 5621 caliber with 36j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-76d378837c0b]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

8.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

36j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1970

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