Seiko Cal. 4456 - 376

This Spring Drive model from 1970 features a 34mm Hardlex-Coated Steel case. Powered by the 4456 caliber with 34j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-87f44cc6afe1]

Also known as: UFO, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

34j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1970

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