Seiko Cal. 6620 - 887

The Seiko 6620-887 represents an important milestone in Seiko's 1977 lineup. It features a White dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-9004e4242b6c]

Also known as: Navigator

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

190m

Dial Color

White

Jewels

29j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1977

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