Seiko Cal. 3854 - 212

The Seiko 3854-212 represents an important milestone in Seiko's 1965 lineup. With its 20mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-81caaa3d138a]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Black

Jewels

25j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1965

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