Seiko Cal. 3815 - 742

The Seiko 3815-742 represents an important milestone in Seiko's 1980 lineup. With its 18mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-2cc2d6eb795d]

Also known as: UFO

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

130m

Dial Color

Black

Jewels

25j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1980

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