Seiko Cal. 5231 - 472

Seiko 5231-472

The Seiko 5231-472 represents an important milestone in Seiko's 1965 lineup. Powered by the 5231 caliber with 33j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-797ff80a47b3]

Also known as: Sumo, Rally

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
43mm
Case Thickness
8.1mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
170m
Dial Color
Burgundy
Jewels
33j
Frequency
28,800 bph
Power Reserve
66 hours
Year
1965

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