Seiko Cal. 3878 - 215

The Seiko 3878-215 represents an important milestone in Seiko's 1987 lineup. The Fixed bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-6967d954e996]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Black

Jewels

34j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1987

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