Seiko Cal. 3878 - 813

This Spring Drive model from 1992 features a 46mm Gold-Plated case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-5452eb9dc9dc]

Also known as: Monster, UFO

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1992

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