Seiko Cal. 3831 - 235

Released in 1972, the Cal. 3831 with design code 235 was part of Seiko's domestic market collection. With its 21mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-f7dccb707fb7]

Also known as: Turtle, Silverwave

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Silver

Jewels

21j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1972

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