Seiko Cal. 3878 - 895

This Spring Drive model from 1985 features a 37mm Two-Tone case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-92a479d6db64]

Also known as: Bellmatic, World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1985

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