Seiko Cal. 3813 - 739

The Seiko 3813-739 represents an important milestone in Seiko's 1974 lineup. With its 22mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-b8590b04a606]

Also known as: Turtle, Emperor

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

35mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1974

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