Seiko Cal. 3866 - 815

The Seiko 3866-815 represents an important milestone in Seiko's 1974 lineup. With its 20mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-db96632ac2ee]

Also known as: Pogue, Rally

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1974

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