Seiko Cal. 5687 - 970

The Seiko 5687-970 represents an important milestone in Seiko's 1966 lineup. Powered by the 5687 caliber with 35j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-8497c5c6350d]

Also known as: Silverwave, Sportsmatic

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Cream

Jewels

35j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1966

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