Seiko Cal. 6636 - 446

This Spring Drive model from 1966 features a 40mm PVD Black case. It features a Champagne dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-eddb6fa99647]

Also known as: Shogun

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

24j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1966

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