Seiko Cal. 5680 - 500

This Automatic model from 1987 features a 40mm PVD Black case. Powered by the 5680 caliber with 21j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-4815dbcc7956]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Burgundy

Jewels

21j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1987

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