Seiko Cal. 5620 - 430

The 5620-430 is a sought-after Spring Drive piece from Seiko's golden era. With its 21mm lug width and 8.4mm profile, it sits comfortably on most wrists. [seikata-wm-1b79e5aef4af]

Also known as: Sumo, Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

White

Jewels

30j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1985

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