Seiko Cal. 6231 - 698

The 6231-698 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 63 hours power reserve. [seikata-wm-0d95ebc6c216]

Also known as: Bullhead

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1987

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