Seiko Cal. 6321 - 172

The Seiko 6321-172 represents an important milestone in Seiko's 1975 lineup. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-1bea93f89ad9]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

22j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1975

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