Seiko Cal. 5271 - 581

This Kinetic model from 1973 features a 46mm Two-Tone case. With its 18mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-46507e079bbb]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Navy

Jewels

36j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1973

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