Seiko Cal. 6256 - 186

The Seiko 6256-186 represents an important milestone in Seiko's 1987 lineup. Powered by the 6256 caliber with 36j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-ce6faed7ee76]

Also known as: Monster, Sumo

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Cream

Jewels

36j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1987

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