Seiko Cal. 3810 - 431

Released in 1985, the Cal. 3810 with design code 431 was part of Seiko's domestic market collection. With its 21mm lug width and 10.3mm profile, it sits comfortably on most wrists. [seikata-wm-4fde38ee1dcc]

Also known as: Turtle, Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Cream

Jewels

26j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1985

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