Seiko Cal. 3840 - 328

Seiko 3840-328

The 3840-328 is a sought-after Automatic piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-b454cc3613f0]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
8.7mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
80m
Dial Color
Blue Sunburst
Jewels
32j
Frequency
36,000 bph
Power Reserve
49 hours
Year
1972

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