Seiko Cal. 7147 - 853

The Seiko 7147-853 represents an important milestone in Seiko's 1977 lineup. With its 18mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-2a689a1324a1]

Also known as: Sumo, Crown

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

White

Jewels

31j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1977

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