Seiko Cal. 6647 - 147

The 6647-147 is a sought-after Solar piece from Seiko's golden era. Powered by the 6647 caliber with 23j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-11dd344034e9]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Titanium

Case Width

45mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1988

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