Seiko Cal. 3820 - 743

Seiko 3820-743

The 3820-743 is a sought-after Solar piece from Seiko's golden era. With its 19mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-4890c300bcf7]

Also known as: Tuna

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
15.1mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
90m
Dial Color
Blue Sunburst
Jewels
36j
Frequency
36,000 bph
Power Reserve
58 hours
Year
1987

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seikata-wm-4890c300bcf7