Seiko Cal. 0740 - 158

The 0740-158 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 0740 caliber with 23j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-e92e1d3cd3f6]

Also known as: Goldfeather, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

12.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1984

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