Seiko Cal. 4556 - 181

This Hand-Winding model from 1979 features a 34mm Stainless Steel case. Powered by the 4556 caliber with 35j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-9c2f795d7355]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

35j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1979

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