Seiko Cal. 4476 - 397

The Seiko 4476-397 represents an important milestone in Seiko's 1978 lineup. With its 21mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-ff78aa72c3a4]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Black

Jewels

34j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1978

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