Seiko Cal. 0730 - 439

The 0730-439 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 0730 caliber with 23j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-9e7542fad09d]

Also known as: UFO, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Silver

Jewels

23j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1993

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