Seiko Cal. 5657 - 769

The 5657-769 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5657 caliber with 23j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-63b416794409]

Also known as: Samurai, Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Cream

Jewels

23j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1983

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