Seiko Cal. 6620 - 863

The Seiko 6620-863 represents an important milestone in Seiko's 1990 lineup. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-dcbc35c4e4c5]

Also known as: UFO, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

14.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Champagne

Jewels

35j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1990

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