Seiko Cal. 5657 - 164

This Solar model from 1975 features a 37mm Gold-Plated case. Powered by the 5657 caliber with 17j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-3504cf341f4d]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1975

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