Seiko Cal. 6636 - 970

The 6636-970 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6636 caliber with 25j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-06181bb97c26]

Also known as: Golden Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1984

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