Seiko Cal. 5638 - 984

The 5638-984 is a sought-after Kinetic piece from Seiko's golden era. It features a Navy dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-d42883a5fb7c]

Also known as: Rally, Goldfeather

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

39mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

26j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1977

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