Seiko Cal. 3865 - 989

The Seiko 3865-989 represents an important milestone in Seiko's 1975 lineup. Powered by the 3865 caliber with 19j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-ebaa63ee23e0]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1975

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