Seiko Cal. 4520 - 862

The Seiko 4520-862 represents an important milestone in Seiko's 1991 lineup. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-e8261a0d6163]

Also known as: Tuna, UFO

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

11.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1991

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