Seiko Cal. 3886 - 815

The Seiko 3886-815 represents an important milestone in Seiko's 1975 lineup. With its 20mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-27dfef6cd689]

Also known as: Sumo, Crown

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

White

Jewels

29j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1975

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