Seiko Cal. 6641 - 624

The Seiko 6641-624 represents an important milestone in Seiko's 1981 lineup. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-2cf18ab513ae]

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Cream

Jewels

28j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1981

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