Seiko Cal. 5666 - 821

The 5666-821 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5666 caliber with 36j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-afc5fe0e9c3d]

Also known as: Shogun, Flighty

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Champagne

Jewels

36j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1978

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