Seiko Cal. 3813 - 294

This Hand-Winding model from 1974 features a 43mm Hardlex-Coated Steel case. It features a Cream dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-4a9d49df1425]

Also known as: Tuna, UFO

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Cream

Jewels

25j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1974

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