Seiko Cal. 3839 - 903

Seiko 3839-903

The 3839-903 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3839 caliber with 34j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-9069c3c330f7]

Also known as: Helmet

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
15.9mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
Silver
Jewels
34j
Frequency
36,000 bph
Power Reserve
50 hours
Year
1994

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seikata-wm-9069c3c330f7