Seiko Cal. 3898 - 577

This Hand-Winding model from 1979 features a 34mm Stainless Steel case. Powered by the 3898 caliber with 32j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-95689d893e1e]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Green

Jewels

32j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1979

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