Seiko Cal. 4456 - 397

The Seiko 4456-397 represents an important milestone in Seiko's 1978 lineup. With its 21mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-235a85f41f60]

Also known as: Pogue, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

8.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1978

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