Seiko Cal. 3887 - 117

The Seiko 3887-117 represents an important milestone in Seiko's 1986 lineup. Powered by the 3887 caliber with 28j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-e76b938e6adf]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Silver

Jewels

28j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1986

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