Seiko Cal. 4556 - 181

Seiko 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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seikata-wm-9c2f795d7355