Seiko Cal. 6636 - 127

Released in 1985, the Cal. 6636 with design code 127 was part of Seiko's domestic market collection. Powered by the 6636 caliber with 20j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-bdad28a6b5b7]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Green

Jewels

20j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1985

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