Seiko Cal. 6613 - 731

The Seiko 6613-731 represents an important milestone in Seiko's 1987 lineup. With its 18mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-ff8eecb2a9c0]

Also known as: Goldfeather, Emperor

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

29j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1987

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