Seiko Cal. 3870 - 319

This Spring Drive model from 1995 features a 40mm Hardlex-Coated Steel case. With its 20mm lug width and 13.0mm profile, it sits comfortably on most wrists. [seikata-wm-2f6c090a6b71]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1995

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