Seiko Cal. 3851 - 133

The Seiko 3851-133 represents an important milestone in Seiko's 1970 lineup. The Fixed bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-cf8294e09124]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

13.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Burgundy

Jewels

35j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1970

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