Seiko Cal. 3813 - 575

The Seiko 3813-575 represents an important milestone in Seiko's 1967 lineup. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-9409f633b673]

Also known as: Samurai, Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Burgundy

Jewels

25j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1967

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