Seiko Cal. 3861 - 706

Seiko 3861-706

This Automatic model from 1974 features a 43mm Hardlex-Coated Steel case. With its 21mm lug width and 13.4mm profile, it sits comfortably on most wrists. [seikata-wm-0fb3d320d847]

Also known as: Sportsmatic, Navigator

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
13.4mm
Lug Width
21mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
180m
Dial Color
Green
Jewels
27j
Frequency
21,600 bph
Power Reserve
38 hours
Year
1974

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