Seiko Cal. 4566 - 311

The 4566-311 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-42bc2318117f]

Also known as: Helmet, Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

Champagne

Jewels

32j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1971

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