Seiko Cal. 5230 - 783

The 5230-783 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5230 caliber with 35j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-cdb6b592c254]

Also known as: Tuna, Rally

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Burgundy

Jewels

35j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1991

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