Seiko Cal. 6636 - 704

Released in 1983, the Cal. 6636 with design code 704 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-cfb530cf40a5]

Also known as: Silverwave

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

43mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

18j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1983

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