Seiko Cal. 6358 - 991

The Seiko 6358-991 represents an important milestone in Seiko's 1997 lineup. Powered by the 6358 caliber with 17j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-2847932325a3]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

15.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

White

Jewels

17j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1997

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