Seiko Cal. 3870 - 979

Seiko 3870-979

This Quartz model from 1971 features a 40mm Hardlex-Coated Steel case. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-ff7e4ecef911]

Also known as: Bellmatic, Crown

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
13.9mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
160m
Dial Color
Black
Jewels
22j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1971

Related Models

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