Seiko Cal. 6658 - 615

This Spring Drive model from 1982 features a 40mm PVD Black case. Powered by the 6658 caliber with 28j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-d7b17a7381bc]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

Burgundy

Jewels

28j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1982

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