Seiko Cal. 3840 - 870

This Automatic model from 1985 features a 41mm Hardlex-Coated Steel case. With its 21mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-164f5dab6592]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

13.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1985

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