Seiko Cal. 6318 - 546

This Automatic model from 1971 features a 40mm PVD Black case. Powered by the 6318 caliber with 26j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-84f4aa6bd09c]

Also known as: Crown

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

26j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1971

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