Seiko Cal. 5636 - 984

The 5636-984 is a sought-after Automatic piece from Seiko's golden era. With its 20mm lug width and 11.4mm profile, it sits comfortably on most wrists. [seikata-wm-4e43ea636fc2]

Also known as: Tuna, Navigator

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

110m

Dial Color

Black

Jewels

34j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1983

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