Seiko Cal. 6660 - 321

This Solar model from 1974 features a 39mm Stainless Steel case. The Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-1b45d4bcb1e8]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Champagne

Jewels

17j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1974

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