Seiko Cal. 6197 - 231

The Seiko 6197-231 represents an important milestone in Seiko's 1999 lineup. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-fa8e7d24041f]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

28j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1999

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