Seiko Cal. 6660 - 557

The Seiko 6660-557 represents an important milestone in Seiko's 1975 lineup. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-a41f2d21c85f]

Also known as: Shogun

Specifications

Movement

Solar

Case Material

Titanium

Case Width

39mm

Case Thickness

13.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1975

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