Seiko Cal. 6641 - 725

The Seiko 6641-725 represents an important milestone in Seiko's 1970 lineup. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-0e2552a267d3]

Also known as: Shogun

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

35mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

White

Jewels

31j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1970

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