Seiko Cal. 6381 - 730

This Hand-Winding model from 1979 features a 43mm PVD Black case. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-6f101ddc8b8b]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

43mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Burgundy

Jewels

25j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1979

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