Seiko Cal. 3821 - 304

The Seiko 3821-304 represents an important milestone in Seiko's 1970 lineup. It features a Green dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-140140812328]

Also known as: Sea Horse, Emperor

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Green

Jewels

26j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1970

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