Seiko Cal. 6657 - 779

The 6657-779 is a sought-after Solar piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-912df4f2c225]

Also known as: Sea Horse

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

43mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

120m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1997

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