Seiko Cal. 5659 - 780

The 5659-780 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5659 caliber with 18j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-fd024819e0ed]

Also known as: Bullhead, Helmet

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

8.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

120m

Dial Color

Silver

Jewels

18j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1968

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