Seiko Cal. 6687 - 613

This Kinetic model from 1977 features a 43mm Hardlex-Coated Steel case. Powered by the 6687 caliber with 34j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-5bc6fad84725]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

White

Jewels

34j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1977

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