Seiko Cal. 3821 - 412

Released in 1977, the Cal. 3821 with design code 412 was part of Seiko's domestic market collection. It features a Green dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-884cbab5ccd4]

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

Green

Jewels

28j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1977

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