Seiko Cal. 0783 - 431

The 0783-431 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 0783 caliber with 28j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-aa7ef845e128]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

28j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1982

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