Seiko Cal. 6690 - 141

The Seiko 6690-141 represents an important milestone in Seiko's 1990 lineup. With its 22mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-0a4f7404bb40]

Also known as: Helmet, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

15.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Black

Jewels

18j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1990

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