Seiko Cal. 4527 - 305

This Spring Drive model from 1969 features a 46mm Gold-Plated case. With its 22mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-8615a3d6cc4a]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Green

Jewels

20j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1969

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