Seiko Cal. 5636 - 447

The Seiko 5636-447 represents an important milestone in Seiko's 1979 lineup. It features a Burgundy dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-6841060cf730]

Also known as: Bullhead, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

80m

Dial Color

Burgundy

Jewels

34j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1979

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