Seiko Cal. 3815 - 501

The Seiko 3815-501 represents an important milestone in Seiko's 1984 lineup. With its 20mm lug width and 13.9mm profile, it sits comfortably on most wrists. [seikata-wm-665264b4e056]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

34mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

180m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1984

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