Seiko Cal. 6665 - 931

The Seiko 6665-931 represents an important milestone in Seiko's 1978 lineup. With its 21mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-3400aa48be1e]

Also known as: Shogun, Sea Horse

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

White

Jewels

17j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1978

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