Seiko Cal. 3841 - 639

Seiko 3841-639

The 3841-639 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3841 caliber with 19j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-ceeff477056a]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
37mm
Case Thickness
9.2mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
130m
Dial Color
Cream
Jewels
19j
Frequency
36,000 bph
Power Reserve
57 hours
Year
1965

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seikata-wm-ceeff477056a