Seiko Cal. 3878 - 850

The Seiko 3878-850 represents an important milestone in Seiko's 1997 lineup. With its 18mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-4f1600fc2d21]

Also known as: Pogue, Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Navy

Jewels

34j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1997

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