Seiko Cal. 6371 - 539

This Spring Drive model from 1977 features a 42mm PVD Black case. The Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-366d1b1c05f6]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

Silver

Jewels

23j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1977

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