Seiko Cal. 5666 - 671

This Quartz model from 1987 features a 34mm PVD Black case. Powered by the 5666 caliber with 31j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-cd5ea5f4868d]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

34mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1987

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