Seiko Cal. 6641 - 108

The Seiko 6641-108 represents an important milestone in Seiko's 1981 lineup. The Fixed bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-7dd486c417a6]

Also known as: Rally, Silverwave

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Champagne

Jewels

36j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1981

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