Seiko Cal. 6648 - 221

The Seiko 6648-221 represents an important milestone in Seiko's 1969 lineup. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-176dd30dc8e5]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

11.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Black

Jewels

35j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1969

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