Seiko Cal. 3878 - 724

The Seiko 3878-724 represents an important milestone in Seiko's 1970 lineup. With its 18mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-5242a4660b94]

Also known as: Shogun, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

White

Jewels

35j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1970

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