Seiko Cal. 4436 - 478

The Seiko 4436-478 represents an important milestone in Seiko's 1972 lineup. With its 21mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-efbf579c2bfa]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

150m

Dial Color

Champagne

Jewels

22j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1972

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