Seiko Cal. 3820 - 643

Seiko 3820-643

This Automatic model from 1976 features a 38mm Hardlex-Coated Steel case. With its 19mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-aed5b792179b]

Also known as: Goldfeather, Sea Horse

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
8.8mm
Lug Width
19mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
60m
Dial Color
Black
Jewels
29j
Frequency
28,800 bph
Power Reserve
40 hours
Year
1976

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