Seiko Cal. 3814 - 631

The Seiko 3814-631 represents an important milestone in Seiko's 1968 lineup. The Fixed bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-54b2ec020fa6]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

42mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1968

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