Seiko Cal. 3820 - 905

The Seiko 3820-905 represents an important milestone in Seiko's 1983 lineup. It features a Cream dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-81ecd52c0650]

Also known as: Helmet, Rally

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

14.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Cream

Jewels

27j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1983

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