Seiko Cal. 6620 - 684

The Seiko 6620-684 represents an important milestone in Seiko's 1986 lineup. The Bidirectional bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-929c1c7cb9c5]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1986

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