Seiko Cal. 7120 - 730

The 7120-730 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7120 caliber with 34j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-d805d09b64ce]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

34j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1985

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