Seiko Cal. 3825 - 640

The Seiko 3825-640 represents an important milestone in Seiko's 1966 lineup. It features a Cream dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-8da12504500f]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Cream

Jewels

34j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1966

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