Seiko Cal. 3815 - 173

The Seiko 3815-173 represents an important milestone in Seiko's 1986 lineup. With its 19mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-92a86ab6c9b6]

Also known as: Rally

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1986

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