Seiko Cal. 3813 - 444

The Seiko 3813-444 represents an important milestone in Seiko's 1970 lineup. The Fixed bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-6089d342fdb2]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

14.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

Silver

Jewels

35j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1970

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