Seiko Cal. 6687 - 416

This Spring Drive model from 1974 features a 34mm Titanium case. Powered by the 6687 caliber with 28j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-270b3bd6ff39]

Also known as: Rally, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1974

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