Seiko Cal. 6172 - 900

The Seiko 6172-900 represents an important milestone in Seiko's 1992 lineup. Powered by the 6172 caliber with 22j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-42cd358d3ff8]

Also known as: Monster, Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

Champagne

Jewels

22j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1992

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