Seiko Cal. 6658 - 830

The 6658-830 is a sought-after Spring Drive piece from Seiko's golden era. It features a Champagne dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-8a79329f8b0b]

Also known as: Sportsmatic, Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Champagne

Jewels

22j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1978

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