Seiko Cal. 3828 - 320

The 3828-320 is a sought-after Spring Drive piece from Seiko's golden era. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-01a66e68f623]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1971

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