Seiko Cal. 3821 - 634

The Seiko 3821-634 represents an important milestone in Seiko's 1994 lineup. Powered by the 3821 caliber with 36j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-b7b96d7cbf62]

Also known as: Silverwave

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Black

Jewels

36j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1994

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