Seiko Cal. 5647 - 155

The Seiko 5647-155 represents an important milestone in Seiko's 1986 lineup. Powered by the 5647 caliber with 30j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-2e9695423c38]

Also known as: Sumo, Helmet

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1986

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