Seiko Cal. 6343 - 378

The Seiko 6343-378 represents an important milestone in Seiko's 1965 lineup. With its 18mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-c1e9809fafba]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Burgundy

Jewels

19j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1965

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