Seiko Cal. 6646 - 926

The Seiko 6646-926 represents an important milestone in Seiko's 1974 lineup. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-b46edfaf820c]

Also known as: Rally, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

White

Jewels

34j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1974

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