Seiko Cal. 3816 - 426

Seiko 3816-426

The 3816-426 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3816 caliber with 35j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-33f8a7380768]

Also known as: Tuna, Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
44mm
Case Thickness
11.6mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
160m
Dial Color
Blue Sunburst
Jewels
35j
Frequency
36,000 bph
Power Reserve
52 hours
Year
1980

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seikata-wm-33f8a7380768