Seiko Cal. 3831 - 644

The Seiko 3831-644 represents an important milestone in Seiko's 1993 lineup. With its 22mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-bc9469d62c13]

Also known as: Rally, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Cream

Jewels

28j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1993

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