Seiko Cal. 5271 - 561

This Spring Drive model from 1970 features a 45mm Gold-Plated case. With its 18mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-715a8a1fe1ee]

Also known as: World Timer, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

21j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1970

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