Seiko Cal. 6657 - 420

This Solar model from 1980 features a 36mm Titanium case. It features a Cream dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-aa0d37bd19e5]

Specifications

Movement

Solar

Case Material

Titanium

Case Width

36mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Cream

Jewels

18j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1980

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