Seiko Cal. 3848 - 378

The Seiko 3848-378 represents an important milestone in Seiko's 1978 lineup. With its 19mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-6946189d64fa]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1978

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