Seiko Cal. 6187 - 381

This Automatic model from 1990 features a 45mm PVD Black case. It features a Black dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-9d3ce5f01df4]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

Black

Jewels

22j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1990

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