Seiko Cal. 5271 - 558

This Spring Drive model from 1978 features a 46mm PVD Black case. With its 20mm lug width and 14.0mm profile, it sits comfortably on most wrists. [seikata-wm-912be77fecdb]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

14.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

White

Jewels

36j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1978

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