Seiko Cal. 6123 - 558

This Spring Drive model from 1999 features a 37mm Hardlex-Coated Steel case. Powered by the 6123 caliber with 17j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-c88b6ab0169f]

Also known as: Helmet, Rally

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Silver

Jewels

17j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1999

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