Seiko Cal. 6641 - 106

Released in 1973, the Cal. 6641 with design code 106 was part of Seiko's domestic market collection. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-e679daa6ebc3]

Also known as: Shogun, Helmet

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1973

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