Seiko Cal. 3820 - 813

The Seiko 3820-813 represents an important milestone in Seiko's 1973 lineup. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-d1eeea7b416a]

Also known as: Pogue, Crown

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

43mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1973

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