Seiko Cal. 6231 - 723

This Quartz model from 1966 features a 43mm Two-Tone case. Powered by the 6231 caliber with 33j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-7829a9b29ff8]

Also known as: Rally

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

43mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1966

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