Seiko Cal. 3864 - 742

The Seiko 3864-742 represents an important milestone in Seiko's 1985 lineup. With its 18mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-535a5739a6b6]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1985

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