Seiko Cal. 5680 - 687

The Seiko 5680-687 represents an important milestone in Seiko's 1965 lineup. With its 18mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-460e679d60c5]

Also known as: Navigator, Emperor

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

15.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

White

Jewels

29j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1965

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