Seiko Cal. 6231 - 836

The Seiko 6231-836 represents an important milestone in Seiko's 1987 lineup. Powered by the 6231 caliber with 30j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-e4847603410a]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

30j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1987

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