Seiko Cal. 5666 - 699

This Automatic model from 1970 features a 43mm Gold-Plated case. Powered by the 5666 caliber with 17j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-70fac810f6e4]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1970

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