Seiko Cal. 5638 - 620

The 5638-620 is a sought-after Kinetic piece from Seiko's golden era. It features a Green dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-42e7f59b4244]

Also known as: Monster, Crown

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Green

Jewels

26j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1977

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