Seiko Cal. 5666 - 647

This Hand-Winding model from 1986 features a 45mm Gold-Plated case. Powered by the 5666 caliber with 31j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-4ddefc893c2c]

Also known as: Sumo, Flighty

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Burgundy

Jewels

31j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1986

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