Seiko Cal. 3821 - 635

The Seiko 3821-635 represents an important milestone in Seiko's 1999 lineup. It features a Cream dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-10545436bba6]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

27j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1999

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