Seiko Cal. 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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