Seiko Cal. 5647 - 730

The Seiko 5647-730 represents an important milestone in Seiko's 1986 lineup. With its 19mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-4325beda3d97]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

34mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

Navy

Jewels

23j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1986

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