Seiko Cal. 5621 - 148

The Seiko 5621-148 represents an important milestone in Seiko's 1986 lineup. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-8df1df8debbc]

Also known as: Monster, UFO

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

36mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1986

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