Seiko Cal. 6674 - 546

This Solar model from 1966 features a 36mm Hardlex-Coated Steel case. It features a Black dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-7e0869123c24]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1966

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