Seiko Cal. 4548 - 728

The 4548-728 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4548 caliber with 30j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-46fbb4e8a768]

Also known as: UFO, Navigator

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Silver

Jewels

30j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1970

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