Seiko Cal. 5231 - 602

Seiko 5231-602

The 5231-602 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5231 caliber with 31j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-be3c15413943]

Also known as: UFO

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
42mm
Case Thickness
14.8mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
190m
Dial Color
Blue Sunburst
Jewels
31j
Frequency
21,600 bph
Power Reserve
47 hours
Year
1971

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seikata-wm-be3c15413943