Seiko Cal. 3811 - 250

The Seiko 3811-250 represents an important milestone in Seiko's 1968 lineup. The Fixed bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-5a380bb06f67]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

46mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Black

Jewels

25j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1968

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