Seiko Cal. 3878 - 943

This Spring Drive model from 1993 features a 42mm PVD Black case. The Coin-Edge bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-82161419cbf2]

Also known as: Sea Horse, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1993

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