Seiko Cal. 3831 - 597

Seiko 3831-597

The 3831-597 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3831 caliber with 25j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-096c39d19650]

Also known as: Navigator

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
38mm
Case Thickness
9.2mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
190m
Dial Color
Navy
Jewels
25j
Frequency
21,600 bph
Power Reserve
47 hours
Year
1978

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seikata-wm-096c39d19650