Seiko Cal. 3813 - 503

This Solar model from 1979 features a 46mm Stainless Steel case. With its 18mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-90c952d406aa]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

White

Jewels

29j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1979

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