Seiko Cal. 6284 - 187

This Automatic model from 1983 features a 45mm PVD Black case. Powered by the 6284 caliber with 34j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-533019a11d6e]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

12.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Navy

Jewels

34j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1983

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