Seiko Cal. 3854 - 864

The Seiko 3854-864 represents an important milestone in Seiko's 1991 lineup. With its 20mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-2a37d7d92c33]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1991

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