Seiko Cal. 6617 - 610

The Seiko 6617-610 represents an important milestone in Seiko's 1978 lineup. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-4556309bca64]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

42mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Cream

Jewels

35j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1978

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