Seiko Cal. 6231 - 918

The Seiko 6231-918 represents an important milestone in Seiko's 1997 lineup. Powered by the 6231 caliber with 17j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-ecf6c355cfa9]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Silver

Jewels

17j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1997

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