Seiko Cal. 0781 - 833

Seiko 0781-833

The 0781-833 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0781 caliber with 21j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-e711f1ba461c]

Also known as: Tuna, Helmet

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
38mm
Case Thickness
11.6mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
160m
Dial Color
Green
Jewels
21j
Frequency
21,600 bph
Power Reserve
71 hours
Year
1974

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seikata-wm-e711f1ba461c