Seiko Cal. 0747 - 520

The 0747-520 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 0747 caliber with 32j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-aa0f262c6e6a]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1977

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