Seiko Cal. 6231 - 629

The Seiko 6231-629 represents an important milestone in Seiko's 1968 lineup. Powered by the 6231 caliber with 18j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-0abbd99bdbbf]

Also known as: Rally, Bellmatic

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Cream

Jewels

18j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1968

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