Seiko Cal. 3865 - 851

Seiko 3865-851

Released in 1973, the Cal. 3865 with design code 851 was part of Seiko's domestic market collection. Powered by the 3865 caliber with 33j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-859cbe4616ee]

Also known as: Turtle, Tuna

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
11.3mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
170m
Dial Color
Silver
Jewels
33j
Frequency
21,600 bph
Power Reserve
49 hours
Year
1973

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seikata-wm-859cbe4616ee