Seiko Cal. 6381 - 187

Released in 1992, the Cal. 6381 with design code 187 was part of Seiko's domestic market collection. Powered by the 6381 caliber with 19j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-c8dbdf5491fa]

Also known as: Sumo, Arnie

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Silver

Jewels

19j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1992

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