Seiko Cal. 6658 - 370

This Spring Drive model from 1984 features a 39mm PVD Black case. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-622fc2b1c132]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Burgundy

Jewels

27j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1984

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