Seiko Cal. 3865 - 739

Seiko 3865-739

The 3865-739 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3865 caliber with 26j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-270038c69c92]

Also known as: Navigator, Arnie

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
46mm
Case Thickness
12.6mm
Lug Width
18mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
50m
Dial Color
Navy
Jewels
26j
Frequency
36,000 bph
Power Reserve
37 hours
Year
1982

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seikata-wm-270038c69c92