Seiko Cal. 3885 - 664

This Spring Drive model from 1976 features a 40mm PVD Black case. Powered by the 3885 caliber with 20j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-ce6863982ae0]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Navy

Jewels

20j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1976

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