Seiko Cal. 3898 - 609

The Seiko 3898-609 represents an important milestone in Seiko's 1980 lineup. Powered by the 3898 caliber with 36j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-6064555ad47a]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

170m

Dial Color

White

Jewels

36j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1980

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