Seiko Cal. 6231 - 772

The Seiko 6231-772 represents an important milestone in Seiko's 1972 lineup. Powered by the 6231 caliber with 29j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-0090ad94af0e]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

34mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

29j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1972

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