Seiko Cal. 3820 - 430

The 3820-430 is a sought-after Spring Drive piece from Seiko's golden era. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-da0622861d9c]

Also known as: Crown, Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Burgundy

Jewels

29j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1978

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