Seiko Cal. 6663 - 657

This Solar model from 1978 features a 36mm PVD Black case. It features a Cream dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-77c7a6652557]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

36mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Cream

Jewels

36j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1978

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