Seiko Cal. 6231 - 633

This Spring Drive model from 1989 features a 40mm PVD Black case. Powered by the 6231 caliber with 24j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-626a9f9a2d2c]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Cream

Jewels

24j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1989

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