Seiko Cal. 3870 - 965

The Seiko 3870-965 represents an important milestone in Seiko's 1977 lineup. Powered by the 3870 caliber with 26j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-ac72ace1125b]

Also known as: Sea Horse, Emperor

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Black

Jewels

26j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1977

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