Seiko Cal. 6680 - 617

The Seiko 6680-617 represents an important milestone in Seiko's 1975 lineup. Powered by the 6680 caliber with 22j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-e1c1aca78e8c]

Also known as: Sea Horse, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Champagne

Jewels

22j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1975

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