Seiko Cal. 6658 - 906

This Spring Drive model from 1997 features a 35mm Gold-Plated case. Powered by the 6658 caliber with 27j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-c415210451cc]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

13.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

White

Jewels

27j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1997

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