Seiko Cal. 6641 - 148

The Seiko 6641-148 represents an important milestone in Seiko's 1983 lineup. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-31bdc8eca680]

Also known as: Silverwave

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

38mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Champagne

Jewels

28j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1983

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