Seiko Cal. 6231 - 453

The Seiko 6231-453 represents an important milestone in Seiko's 1967 lineup. Powered by the 6231 caliber with 24j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-b5c6d13fa1a7]

Also known as: Monster, Bullhead

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

35mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

24j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1967

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