Seiko Cal. 3878 - 185

The Seiko 3878-185 represents an important milestone in Seiko's 1973 lineup. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-16c305da5ca2]

Also known as: Shogun, Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Green

Jewels

28j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1973

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