Seiko Cal. 6617 - 637

The Seiko 6617-637 represents an important milestone in Seiko's 1993 lineup. It features a Green dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-524dc7a041dc]

Also known as: Golden Tuna, Flighty

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

Green

Jewels

26j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1993

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