Seiko Cal. 6660 - 181

This Solar model from 1977 features a 43mm PVD Black case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-62eceb677bc1]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

43mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1977

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