Seiko Cal. 0728 - 560

The 0728-560 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 0728 caliber with 21j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-c6f4f16fc407]

Also known as: Samurai, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1971

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