Seiko Cal. 6231 - 986

The 6231-986 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6231 caliber with 18j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-82dbccc6f890]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

41mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1984

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