Seiko Cal. 4555 - 970

This Hand-Winding model from 1974 features a 43mm PVD Black case. Powered by the 4555 caliber with 26j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-3ba18797a25b]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

43mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1974

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