Seiko Cal. 3828 - 509

This Spring Drive model from 1975 features a 41mm Stainless Steel case. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-19c932592c0d]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

12.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Burgundy

Jewels

20j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1975

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