Seiko Cal. 3877 - 289

The Seiko 3877-289 represents an important milestone in Seiko's 1967 lineup. Powered by the 3877 caliber with 21j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-d8cbddf56434]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

12.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1967

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