Seiko Cal. 6658 - 859

The 6658-859 is a sought-after Quartz piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-6adfe669d97a]

Also known as: Sumo, Silverwave

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

9.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1977

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