Seiko Cal. 6658 - 421

This Hand-Winding model from 1970 features a 40mm Titanium case. It features a Black dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-087644f6db01]

Also known as: Rally

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

26j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1970

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