Seiko Cal. 6636 - 999

Released in 1977, the Cal. 6636 with design code 999 was part of Seiko's domestic market collection. It features a Cream dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-d3f2bac13dd5]

Also known as: Panda

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Cream

Jewels

24j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1977

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