Seiko Cal. 5243 - 781

The Seiko 5243-781 represents an important milestone in Seiko's 1970 lineup. With its 22mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-db7dd3019f37]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1970

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