Seiko Cal. 4470 - 256

This Hand-Winding model from 1988 features a 34mm PVD Black case. Powered by the 4470 caliber with 19j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-d7ee45ad9f67]

Also known as: Tuna, Silverwave

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1988

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