Seiko Cal. 6620 - 486

The Seiko 6620-486 represents an important milestone in Seiko's 1981 lineup. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-1ed52e5d0dc6]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1981

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