Seiko Cal. 6644 - 815

Released in 1981, the Cal. 6644 with design code 815 was part of Seiko's domestic market collection. The Fixed bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-63242af0debb]

Also known as: Silverwave

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

Burgundy

Jewels

34j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1981

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