Seiko Cal. 6657 - 978

This Hand-Winding model from 1984 features a 36mm Hardlex-Coated Steel case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-62fa1897f005]

Also known as: Pogue, Rally

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

14.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1984

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