Seiko Cal. 3870 - 387

Seiko 3870-387

This Quartz model from 1969 features a 38mm Hardlex-Coated Steel case. With its 18mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-2e9c5768c440]

Also known as: Sportsmatic

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
15.2mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
50m
Dial Color
Green
Jewels
20j
Frequency
28,800 bph
Power Reserve
62 hours
Year
1969

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seikata-wm-2e9c5768c440