Seiko Cal. 3820 - 658

Released in 1970, the Cal. 3820 with design code 658 was part of Seiko's domestic market collection. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-e97143eb1ff0]

Also known as: Golden Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Champagne

Jewels

17j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1970

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