Seiko Cal. 5274 - 143

The Seiko 5274-143 represents an important milestone in Seiko's 1979 lineup. With its 22mm lug width and 11.5mm profile, it sits comfortably on most wrists. [seikata-wm-da1b0daa05af]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Green

Jewels

34j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1979

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