Seiko Cal. 3818 - 961

Seiko 3818-961

The 3818-961 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3818 caliber with 28j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-b32729216a0c]

Also known as: Sumo, Golden Tuna

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
46mm
Case Thickness
15.6mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
80m
Dial Color
Champagne
Jewels
28j
Frequency
36,000 bph
Power Reserve
50 hours
Year
1976

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seikata-wm-b32729216a0c