Seiko Cal. 6620 - 858

The Seiko 6620-858 represents an important milestone in Seiko's 1977 lineup. It features a Cream dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-96fb6e34e4f1]

Also known as: Silverwave

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

14.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Cream

Jewels

36j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1977

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