Seiko Cal. 6617 - 627

The Seiko 6617-627 represents an important milestone in Seiko's 1986 lineup. The Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-d8632f7f3a7b]

Also known as: Sumo, Silverwave

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1986

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