Seiko Cal. 6657 - 455

Released in 1987, the Cal. 6657 with design code 455 was part of Seiko's domestic market collection. It features a Black dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-1dcca161db56]

Also known as: Emperor, Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1987

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