Seiko Cal. 3828 - 320

This Hand-Winding model from 1979 features a 37mm PVD Black case. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-28d46a048b90]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Green

Jewels

28j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1979

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