Seiko Cal. 3897 - 982

The Seiko 3897-982 represents an important milestone in Seiko's 1979 lineup. Powered by the 3897 caliber with 30j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-7850370269a1]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1979

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