Seiko Cal. 3877 - 864

The Seiko 3877-864 represents an important milestone in Seiko's 1970 lineup. Powered by the 3877 caliber with 30j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-f5f028cca2fa]

Also known as: Crown, Flighty

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Black

Jewels

30j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1970

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