Seiko Cal. 5636 - 638

The 5636-638 is a sought-after Automatic piece from Seiko's golden era. It features a Black dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-ae0c624f513e]

Also known as: Arnie

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Black

Jewels

30j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1978

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