Seiko Cal. 5666 - 389

The 5666-389 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5666 caliber with 17j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-90d4033e1554]

Also known as: Bullhead, Silverwave

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1979

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