Seiko Cal. 6617 - 690

Released in 1978, the Cal. 6617 with design code 690 was part of Seiko's domestic market collection. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-711cf32ff6d4]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Silver

Jewels

23j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1978

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