Seiko Cal. 4571 - 817

This Spring Drive model from 1974 features a 39mm Two-Tone case. With its 19mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-18c081619606]

Also known as: Tuna, World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Black

Jewels

23j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1974

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