Seiko Cal. 6666 - 391

The Seiko 6666-391 represents an important milestone in Seiko's 1978 lineup. It features a White dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-b6ad64720009]

Also known as: Shogun, Sportsmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

45mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

White

Jewels

36j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1978

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