Seiko Cal. 6661 - 646

This Spring Drive model from 1979 features a 41mm Stainless Steel case. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-6295b811cc4f]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1979

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