Seiko Cal. 5231 - 317

Seiko 5231-317

The 5231-317 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5231 caliber with 25j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-8b78d0c5a903]

Also known as: Rally, Flighty

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
41mm
Case Thickness
9.9mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
120m
Dial Color
Green
Jewels
25j
Frequency
28,800 bph
Power Reserve
51 hours
Year
1971

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seikata-wm-8b78d0c5a903