Seiko Cal. 3813 - 613

This Hand-Winding model from 1983 features a 44mm Gold-Plated case. It features a White dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-8cf0d46fb13f]

Also known as: Turtle, Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

White

Jewels

17j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1983

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