Seiko Cal. 3813 - 280

This Hand-Winding model from 1988 features a 40mm Two-Tone case. With its 20mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-b9c0326067ed]

Also known as: Turtle, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Champagne

Jewels

18j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1988

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