Seiko Cal. 6231 - 495

This Automatic model from 1970 features a 42mm PVD Black case. Powered by the 6231 caliber with 25j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-ecd4f1279fbd]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Silver

Jewels

25j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1970

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