Seiko Cal. 7147 - 800

The 7147-800 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7147 caliber with 33j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-0d39b86bfdbc]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

White

Jewels

33j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1987

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