Seiko Cal. 3877 - 410

The 3877-410 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3877 caliber with 17j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-ae24df7e49df]

Also known as: Bellmatic, Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Cream

Jewels

17j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1978

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