Seiko Cal. 5620 - 435

The 5620-435 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-8149da2b7843]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Green

Jewels

28j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1974

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