Seiko Cal. 0750 - 428

The 0750-428 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0750 caliber with 31j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-7abbad96d589]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

8.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

Black

Jewels

31j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1973

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