Seiko Cal. 6231 - 879

The Seiko 6231-879 represents an important milestone in Seiko's 1977 lineup. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-cbcbac110b3c]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Champagne

Jewels

22j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1977

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