Seiko Cal. 5664 - 526

This Solar model from 1973 features a 45mm Hardlex-Coated Steel case. It features a Burgundy dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-df11d1ebd170]

Also known as: Monster, Helmet

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

15.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1973

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