Seiko Cal. 3813 - 148

This Spring Drive model from 1981 features a 46mm Gold-Plated case. It features a Black dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-9cb791eb4309]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Black

Jewels

22j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1981

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