Seiko Cal. 6231 - 903

The Seiko 6231-903 represents an important milestone in Seiko's 1998 lineup. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-b2b2502e2f43]

Also known as: Silverwave, Emperor

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

45mm

Case Thickness

13.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

17j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1998

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