Seiko Cal. 3813 - 635

The Seiko 3813-635 represents an important milestone in Seiko's 1991 lineup. It features a Cream dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-ebb7678b6c08]

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

26j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1991

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