Seiko Cal. 7147 - 553

The 7147-553 is a sought-after Quartz piece from Seiko's golden era. Powered by the 7147 caliber with 22j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-03ff0a60bd32]

Also known as: Helmet, Crown

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

42mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

22j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1975

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