Seiko Cal. 5659 - 351

This Spring Drive model from 1978 features a 41mm Gold-Plated case. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-99feb205b7fe]

Also known as: Helmet, Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1978

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