Seiko Cal. 3877 - 316

The 3877-316 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3877 caliber with 36j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-ba9e7c3b4981]

Also known as: Pogue, Bellmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

14.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Silver

Jewels

36j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1972

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