Seiko Cal. 3813 - 232

This Spring Drive model from 1968 features a 45mm Hardlex-Coated Steel case. With its 18mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-d1f90752fc2c]

Also known as: Silverwave, Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1968

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