Seiko Cal. 6641 - 806

The Seiko 6641-806 represents an important milestone in Seiko's 1979 lineup. With its 19mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-57002fa7946f]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Cream

Jewels

35j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1979

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