Seiko Cal. 6381 - 532

The Seiko 6381-532 represents an important milestone in Seiko's 1976 lineup. Powered by the 6381 caliber with 34j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-60068dd8fda5]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Black

Jewels

34j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1976

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