Seiko Cal. 6649 - 147

The Seiko 6649-147 represents an important milestone in Seiko's 1971 lineup. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-92e79bdc6952]

Also known as: Monster, Baby Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Silver

Jewels

30j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1971

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